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1The following is a list of characters and tropes that apply to them in Manga/ArpeggioOfBlueSteel. Do note that TheOtherDarrin is in full effect, as the drama CD and anime uses an entirely different set of voice actors. Note that due to the anime diverging from the manga's storyline, some characters' tropes will be a mix from either media.
2
3[[foldercontrol]]
4
5!Blue Steel
6
7The main characters. On paper, an [[Main/PrivateMilitaryContractors independent firm]] that also does some work for the Japanese government, at the beginning of the series Blue Steel is the only force that has a real chance at striking back against the Fog fleet blockade of the Japanese islands. They are eventually hired by the Central government to deliver the blueprint of a weapon that might finally turn the tide in humanity's war against the Fog to the only country still capable of producing it in the numbers needed: the United States of America.
8
9Commanded by Gunzou Chihaya, and manned by some of his classmates from the Maritime Institute, Blue Steel's ability to fight the Fog fleet on (somewhat) even terms is mostly due to the fact that it has its own Fog ship under its disposal: the renegade Fog submarine I-401, Iona, who follows Gunzou for reasons even she herself isn't quite sure of.
10
11[[spoiler:Initially just composed of Iona, Blue Steel becomes a fleet once Hyuuga and Takao switch sides, but only Takao has a ship to contribute. In the ''Ars Nova'' anime Haruna and Kirishima also end up joining]].
12
13[[folder:Members of Blue Steel]]
14
15!!Gunzou Chihaya
16[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_gunzou.jpg]]
17 [[caption-width-right:200:Gunzou, as he appears in Ars Nova.]]
18->Voiced by: Creator/JunFukuyama (Drama CD), Creator/KazuyukiOkitsu (Anime)
19
20The Captain of I-401, and he makes most of the tactical decisions of Blue Fleet in general.
21----
22
23* BadassInANiceSuit: He generally wears a primarily black suit and red shirt when meeting with clients. In ''Ars Nova'' he wears the suit all the time.
24* BatmanGambit: Gunzou's plan to defeat Kongou's fleet in the manga required Kongou to behave as predicted in order to fall into the trap. It works, but the real genius of the plan was in the way our heroes kept limiting Kongou's options over successive encounters, increasing the likelihood Kongou would fall for it.
25* TheCaptain
26* ChickMagnet: Both human girls and Fog ships are attracted to him, though (probably) for different reasons.
27* ChildProdigy: He was one of the top students in his class back when he was studying to join the navy.
28* CombatPragmatist: He's willing to do whatever it takes to win a battle. Considering his opponents are nigh-invulnerable warships who gave humans a CurbStompBattle they still haven't recovered from, it's not surprising he's forced to think outside the box with I-401.
29* DesperatelyLookingForAPurposeInLife: The revelation that his father was a traitor and losing his childhood friend Amaha Kotono in a fire causes him to become this until he meets Iona.
30* DisappearedDad: His dad, a war hero who captured the I-401 during the final naval battle between the UN Fleet against the Fog Fleet, was presumed dead after leaving Japan in I-401 which later returned without its crew. However, two years before the series began, Gunzou learns not only is his father and his crew alive but they had defected to the Fleet of Fog.
31* {{Expy}}: With his good looks, daring strategic mind, and [[Creator/JunFukuyama identical voice]] (not to mention possessing a MysteriousWaif), drawing comparisons between Gunzou and [[Anime/CodeGeass Lelouch]] is practically inevitable.
32* IntelligenceEqualsIsolation: At first, during the academy. He still has trouble relating to people but is surprisingly comfortable speaking with Fog Mental Models.
33* ObliviousToLove: It's doubtful that he had any idea he had two girls swooning over him during his Academy days. One still is, the other [[spoiler:died in a terrible fire... ''[[NeverFoundTheBody maybe]]'']]
34* TheParagonAlwaysRebels: While not exactly top of the class, he qualifies for this in the merit of always being in the top three at school and is quite a decent captain even compared with those with more experience. End result? Deserted the military, taking a few of their most talented personnel with him, and starts work as a mercenary.
35* RedBaron: Called the "Battleship Killer" and "Route Holder" in chapter one.
36* TheStrategist: He comes up with some rather unique tactics during combat to win against his opponents.
37* XanatosSpeedChess: Routinely changes plans on the fly based on new information or depending on how events play out. This ability is what makes Blue Steel, and himself in particular, such a threat to the Fleet of Fog.
38
39!!Iona/I-401
40[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_iona.jpg]]
41[[caption-width-right:200:Iona, as she appears in Ars Nova Cadenza]]
42
43->Voiced by: Creator/AoiYuuki (Drama CD), Creator/MaiFuchigami (Anime)
44
45A Fog ship somehow captured by humans in the Great Naval Battle seventeen years ago. While her origins are undoubtedly of the Fog fleet, she has no idea what her purpose was, other than to find and obey Gunzou Chihaya.
46----
47* AdaptationDyeJob: She has white hair in the manga, while it has more of a blueish tint to it in the anime.
48* AdaptationPersonalityChange[=/=]CharacterExaggeration: Iona in the Ars Nova continuity is more of an EmotionlessGirl and acts far mechanical on the whole. Compare this to Iona in the manga, who is not only more expressive (to the point that she even has hobbies), has a personality that's downright sarcastic at times.
49* AmnesiacHero: She only remembers one order, which was to obey Gunzou Chihaya. This served extremely useful for the humans, who are finally able to fight back against the Fog ships for the first time since their appearance.
50* AttackDrone: [[spoiler:Uses three remotely-controlled ''airplanes'' to torpedo Kongou in the manga.]]
51* BarbieDollAnatomy: During her introduction to Gunzou in the manga, Iona pretty much featured this during her NakedFirstImpression. Justified as we see her part-way through forming her body and the only part that's finished is her face.
52* EmotionlessGirl: In the anime.
53* LittleMissSnarker: Iona in the manga. At this point, Takao, Hyuuga, and even Ashigara and Hagurou, have been on the receiving end of her snark.
54* IAmWho: In both the anime and the manga, there are enough hints that Iona ''isn't'' simply a rogue Fog submarine, though both differ in the details: [[spoiler:the anime points to Iona being an avatar of the Admiralty Code, the architect of the Fog Fleet, while the manga points out that she's the Joint Tactical Network itself.]]
55** ''Cadenza'' lays to rest what Iona really is, as far as the ''Ars Nova'' continuity is concerned: [[spoiler:she's the Yamato. Or rather, a back-up fragment of Yamato's personality, which was saved into the I-401's union core as Yamato was sunk by Musashi.]]
56* IconicOutfit: For both the anime AND the manga.
57** Anime: Her Blue Steel uniform, which is composed of a blue sailor blouse with white trim, detached sleeves, skirt over spats, and knee boots. For ''D.C.'' and ''Cadenza'', her outfit color inverts (sky-white with blue trim), has a few places where it doesn't cover skin (compared to before), her tie becomes a two-coloured ribbon without bows (see picture), her detached sleeves are replaced with fingerless gloves and she exchanges her spats for Grade B ZettaiRyouiki.
58** Manga: A printed T-shirt (the T-shirt itself is different every time), denim hip shorts, ZettaiRyouiki, and ankle boots.
59* MyMasterRightOrWrong: Despite being a Fog ship, she only remembers one order, to obey Gunzou. This brings a lot of conflict to other Fog ships she ends up fighting, most of all Kongou.
60* MysticalWhiteHair: She has white hair, which hints at her being a Fog ship.
61* ReiAyanamiExpy: In the anime only.
62* ScrewTheRulesImDoingWhatsRight: [[spoiler:In episode 10, after suffering from a surprise attack from I-400 and I-402, I-401 begins to break down from sinking into the ocean. Gunzou orders her to gradually cut power to parts of the ship, and eventually orders her to cut off life support functions to preserve her remaining energy. Although she usually follows his orders without question, in this instance she became very conflicted about whether to save him, or let him die and continue the mission of getting the vibration torpedoes to America. So she instead decides to jettison her core and himself in a life pod in an attempt to hold out a bit longer, and fortunately for her, Takao finds them and gives up her nanomaterials to ensure both of them survive.]]
63* SelfDuplication: She has one main form and several numbered clones running around the submarine, taking care of various tasks.
64* SpaceshipGirl: When you get down to it, Iona ''is'' the I-401, and most of Blue Steel is just taking up living space inside of her.
65* TheStoic: Moreso in the anime than the manga.
66* SugarAndIcePersonality
67* UndyingLoyalty: She's VERY loyal to Gunzou, but as a result, she tends to become conflicted whenever a situation arises where his life gets put in danger.
68* WaterIsWomanly: A Fog submarine dressed in dark blue with blue-tinted white hair, and calm and graceful in demeanor.
69
70!!Sou Oribe
71[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_oribe.jpg]]
72 [[caption-width-right:200:Sou, as he appears in Ars Nova.]]
73
74->Voiced by: Creator/TomokazuSugita (Drama CD), Shinobu Matsumoto (Anime)
75
76The First Mate of I-401, Sou generally provides an inventory of their supplies as well as aiding Gunzou with tactical decisions.
77----
78* TheBlank
79* ChildhoodFriend: He and Gunzou have known each other since elementary school.
80* CoolMask: He has two; the first allows him to interface directly to 401's systems, likely equipped with a HeadsUpDisplay. He has a second, smaller one to use when maintaining the first. The reason for the mask has yet to be revealed, although the presence of what looks like a respirator and oxygen supply hints it may be medical (in ''Ars Nova'' he makes the hasty excuse that it keeps his allergies in check).
81* TheFaceless: Always has his helmet on. He claims it's easier to contain his allergies this way.
82* TheGraphShowsTheTrend: He loves them.
83* MrExposition: Particularly in the early chapters as [[AsYouKnow briefings to the other crew]] so the reader can familiarize themselves with some of the terminology and concepts used in the rest of the series.
84* NumberTwo
85* TheUnreveal: He's opened the mask only once in flashback but we only see [[OOCIsSeriousBusiness Gunzou's reaction]].
86
87!!Kyouhei Kashihara
88[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_kashihara.jpg]]
89 [[caption-width-right:200:Kyouhei, as he appears in Ars Nova.]]
90
91->Voiced by: Creator/MinoruShiraishi (Drama CD), Eiji Miyashita (Anime)
92
93Weapons officer of I-401, Kyouhei is generally most active when they are fighting an enemy. Otherwise serves as comic relief and occasionally as the audience surrogate.
94----
95* BigEater: Not so much in quantity as frequency: it's a common sight to see him eating some kind of snack while others are talking. He's even got a cooler installed at his workstation!
96* BlackDudeDiesFirst: He's noticeably darker than the rest of the cast and [[spoiler: his decoy]] was the first killed at Iwo Jima.
97* CoolShades
98* TheGenericGuy: Compared to the others, at least. All of the human officers who came from the nautical school belonged to the top ten of their cohort with the sole exception of Kyouhei, whose grades were consistently mediocre. He ranked within the top 10 in weapons training though, so his position on the crew is justified.
99* HiddenDepths: He might be a goofball weapons specialist but there have been hints that Kyohei is a bit of a history nut, not least of which is his tattoo that reads "man of the sea" in ''Sumeric cuneiform''.
100* HotBlooded
101* {{Otaku}}: A mild case, since only he and Iona watch anime aboard the ship.
102
103!!Iori Watanuki
104[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_iori.jpg]]
105 [[caption-width-right:200:Iori, as she appears in Ars Nova.]]
106
107->Voiced by: Creator/AkiToyosaki (Drama CD), Creator/MinamiTsuda (Anime)
108
109The Engineer of I-401, she does all the humanly-possible maintenance aboard the ship and keeps Iona's heavily-modified engine running smoothly. She is currently in Japan after having received serious injuries in the fight against Kongou's Second Fleet.
110----
111* CuddleBug: Is sometimes seeing hugging Iona or her mini mental models.
112* GirlishPigtails
113* ScottyTime: [[spoiler:Almost]] Always ahead of every engine failure, breakdown or last-second power boost needed. Which is ''really'' handy, because it happens a lot.
114* TheEngineer: Of the Mechanic variety.
115* TomboyWithAGirlyStreak
116* WrenchWench: Comes with being the engineer.
117
118!!Shizuka Houzumi
119[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_shizuka.jpg]]
120 [[caption-width-right:200:Shizuka, as she appears in Ars Nova.]]
121
122->Voiced by: Creator/NaoTouyama
123
124The current sonar operator of I-401 replacing Hibiki after she left. She plays a crucial role in locating various hazards outside the sub via sonar. Notable in being the only member to not have a naval background but an army background, although that aspect is currently unknown.
125----
126* BewareTheNiceOnes: Oh hell yes. The Japanese special forces found this out the ''hard'' way.
127* HimeCut: Befitting of her quiet temperament and [[SilkHidingSteel ladylike]] traits.
128* MysteriousPast: There's really not a lot known about Shizuka's past, but her own comments so far point that she spent part of her childhood in Taiwan and that her father likely played a part in designing the security protocols that the Japanese ground forces still uses in the present day.
129* NakedPeopleAreFunny: Once forgot to get dressed when surprised by a combat alert.
130* TheQuietOne
131
132!!Takao
133[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_takao3.jpg]]
134[[caption-width-right:200:The {{Tsundere}} Heavy Cruiser.]]
135
136->Voiced by: Creator/RinaSato (Drama CD), Creator/ManamiNumakura (Anime)
137
138Heavy Cruiser of the Fleet of Fog, she is the first-named Fog ship Blue Steel battles and defeats (though chronologically speaking that honor would go to Hyuuga) in the series. When she is surprisingly let go by Gunzou in the wake of that battle, she develops a girlish fixation on Blue Steel's commander and, by extension, humanity in general, to the point where she literally goes AWOL from the Fog Fleet. She is currently 'captured' by Yamato and made to infiltrate the Naval Academy to help her cover up Facility No. 4.
139
140Takao herself is the main character of the manga spinoff '''Salty Road''', which focuses on what she's been up to at Yokosuka, along with her minders Zuikaku and I-402.
141----
142* BoobsAndButtPose: She is introduced in the Anime opening through this pose.
143* BreakoutCharacter: Takao quickly became a fan favorite after her introduction, leading [[WordOfGod the authors to completely alter their plans for the character]]. She's been an ever-reliable source of comedy ever since.
144** She is also the only Fog Fleet character to headline her own spin-off manga, ''Salty Road''
145* CanNotSpitItOut: Attempted to make a love confession to Gunzou... and failed miserably.
146--> '''Takao''': A maiden's heart is complicated!
147--> '''Hyuuga''': Then maybe you shouldn't have installed a maiden plugin!
148* CombatPragmatist: Something she learned from Gunzou
149* HeelFaceTurn: Runs away from the Fog and joins Blue Steel.
150* HeroicSacrifice: Anime-only:She uses the remainder of her nanomaterials to restore Iona back into working order, though she loses her ship and her Mental Body in doing so. [[spoiler:Subverted, her core survived and she is still able to at least turn up on screens or as projections on board the ship. Her mental model is fully restored during the last episode credits.]]
151* InSeriesNickname: Tsundere Heavy Cruiser. Sees regular use by the Yamato-aligned Fog Ships like I-402 and Zuikaku.
152* InstantCosplaySurprise: Is on the receiving end of several rapid-fire costume changes courtesy of Yamato. Notable in that the switches really are instant, illustrating just how out of her league Takao is against Yamato.
153* IWantMyBelovedToBeHappy: [[spoiler:In episode 10 of the anime, she sacrifices her ship and mental model after she locates the remains of I-401, and a barely alive Gunzou inside a lifepod with Iona's core inside.]]
154* MacrossMissileMassacre: Takao's deck plating can lift aside to reveal as many as ''one hundred and twenty'' launch tubes. Part of her character development is learning when to hold back on the firepower.
155* MidSeasonUpgrade: Care of Hyuuga in ''Cadenza'', and one that Takao did ''not'' appreciate: [[spoiler:a pair of gigantic magma boring drills.]]
156* RedAndBlackAndEvilAllOver: She's the series StarterVillain, and her ship's sinister red-and-black color scheme means she looks the part, but she promptly performs a HighHeelFaceTurn and turns blue.
157* SelfDuplication: Like Iona, she too has several mini models that help her in doing mundane tasks.
158* StalkerWithACrush: To Gunzou.
159* StarterVillain: She's the first Fog warship the I-401 has a proper on-screen battle against. [[HighHeelFaceTurn The 'villain' bit doesn't last long, though.]]
160* ThemedAliases: The surnames that Takao used during her forays into human society reflect the allegiances she had at that point: '''Kirino''' (literally "of the Fog") after the first time she was defeated by Gunzo, and '''Aoki''' (can be read as "pure blue") after she had fully aligned herself with Gunzou and Iona's Blue Fleet.
161* ThoseTwoGirls: With Hyuuga, after she found her way to Blue Steel's island stronghold.
162* {{Tsundere}}: She's a Sweet type, which is acknowledged by most characters. She'll be gentle and nice to you, but '''do not''' make fun of her.
163* UnlimitedWardrobe: Like all mental models, she can change clothes as she wishes, but she's one of few who doesn't stick to one set.
164
165!!Hyuuga
166[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_hyuga.jpg]]
167 [[caption-width-right:200:Part-time port manager, full-time Iona Worshipper.]]
168
169->Voiced by: Creator/SakiFujita (Anime)
170
171The former flagship of the Fleet of Fog Second Oriental Fleet. Sunk by Blue Steel before the events of the series and took up a job as port operator on Iwo Jima. [[spoiler:As of recent chapters, she has been reinstated as the flagship of the Second Fleet following Kongou's defeat.]]
172----
173* CatSmile: All the time.
174* CleavageWindow: Not as evident as with the usual examples, but her Mental model in the ''Ars Nova'' anime sports these.
175* ExcuseMeWhileIMultitask: Her schtick in ''Ars Nova''. She can quite easily [[spoiler:fend off rockets while talking to Kongo across Iwo Jima and]] talk to Makie while fighting Takao for [[ItMakesSenseInContext food]].
176* FaceHeelTurn: Not completely, but as of recent chapters she is the reinstated flagship of Second Fleet, complete with her hull being rebuilt.
177* GadgeteerGenius: For one thing, she built an army of robots, after extracting the raw materials from the Earth herself, since she didn't want to use nanomaterials. She's also built a set of "Option Ships" Iona can [[CombiningMecha dock with for a major power boost]].
178* GeniusBruiser: She commonly acts as TheSmartGuy for Blue Steel but make no mistake, she's all but unstoppable in a fight against anyone who's not another Mental Model.
179* GenkiGirl: Acts this way towards Iona frequently.
180* TheGlomp: She loves doing this to Iona.
181* HeroicSacrifice: [[spoiler:Took Hiei down with her to buy time for Iona's escape. Thanks to [[SuperToughness just how resilient]] Union Cores are, they're both NotQuiteDead.]]
182* HighClassGlass: Sports one with a gold frame as part of her mental model
183* LabcoatOfScienceAndMedicine: Her signature style. It doubles as a BadassLongcoat and since it's made of nanomaterial she can alter how long it is, which she does purely for dramatic effect.
184* LoveAtFirstPunch: With 12 corrosive torpedoes.
185** Her ([[UnreliableNarrator heavily biased]]) recollection of the battle between her and Iona is [[InterplayOfSexAndViolence heavily sexualized by herself]].
186* PowerFist: Chapter 34 of the manga gives her a pair of '''huge''' ones, each bigger than her torso.
187* RocketPunch: The aforementioned power fists.
188* ShipperOnDeck: Ships Gunzou and [[spoiler:Takao]]. Mostly because she wants Gunzou away from her Iona-neesama, so she can have her to herself.
189* StalkerWithACrush: To Iona.
190* ThoseTwoGirls: With Takao. She usually butts heads with her, but will nonetheless help her out when needed. Apart from her ShipperOnDeck status.
191
192[[/folder]]
193
194!The Fleet of Fog (Japan)
195
196The segment of the Fog Fleet blockading the Japanese islands, the Mental Models of its ships are the only ones the audience has met so far. Ostensibly under the direct command of Superbattleship Yamato, the responsibility for actually maintaining the blockade falls under Flagships Nagato (First Fleet) and Kongou (Second Fleet).
197
198[[folder:Members of the Japanese Fog Fleet]]
199
200!!Yamato
201
202[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_yamato.jpg]]
203[[caption-width-right:200:Hail to the Queen, baby.]]
204->Voiced By: Creator/MaiNakahara (''Ars Nova Cadenza'')
205
206A Fog Superbattleship and the Supreme Flagship of the Fleet of Fog, and chronologically the first among the Japanese Fog Fleet to gain a Mental Model. She disappeared without a trace during the Great Naval Battle seventeen years ago, only to make an unexpected return to the fleet two years before the start of the story with a Mental Model. It was her decision for other Fog warships to generate Mental Models as well.
207
208[[spoiler:As Hyuuga and Takao soon discover, Yamato's mental models look ''exactly'' like Kotono Amaha, Gunzou's childhood friend, who was believed to have died two years prior.]] This casts her keen interest in Humanity in general, and the activities of Iona and her crew in particular, in an altogether new light, especially since (in the manga anyway), it was Yamato herself that "suggested" to Iona to seek Gunzou out. Chapter 116 sheds some light on this.
209----
210* AdaptationalCurves: Yamato is far bustier in ''Cadenza'' than she is in the manga, and shows off a good deal more cleavage.
211* CainAndAbel: Despite being the older sister, she's the one who was first offed by Musashi in Cadenza. [[spoiler:Temporarily, anyway.]]
212* TheChessmaster: Yamato is planning ''something''. She's not saying what that something is, but she's been encouraging select subordinates to spend time learning about humans as well as secretly helping Gunzou and Blue Steel. Her mysterious actions have been noted by several members of the Fog, with some explicitly not trusting her because they are unsure of her true motivations.
213* DeathByAdaptation: In the ''Ars Nova'' continuity, as revealed in the ''Cadenza'' movie, where she was apparently destroyed by Musashi two years prior to the start of the story. However...
214** NotQuiteDead: [[spoiler:She was able to transfer part of her memories and personality to Iona, to guard against the day when Musashi finally makes her move against Humanity.]]
215* HumansAreSpecial: What she thinks in ''Cadenza''. [[spoiler: It's the reason why she fights against Musashi at the start of the movie, and why she eventually sends Iona off to Gunzou, so that Mankind will have a fighting chance against Musashi.]]
216* LadyOfWar: Her 'main' Mental Model gives of this aesthetic with her various fancy ballgowns and lady-like attitude. [[spoiler:Not so much with her Kotono Amaha identity.]]
217* MysteriousBacker: Not that Gunzo and his crew are any wiser, but Yamato is helping them out, to the point where she assigns Yukikaze to keep an eye on Iona, discretely of course.
218* MysteriousPast: Yamato went missing during the Great Battle in 2039 and suddenly reappeared with a Mental Model 15 years later in 2054. She shares the Mental Model technology to the rest of the Fog Fleet to create their own Mental Models, allowing their AIs to gain sentience. No one, not even her closest subordinates or the various fleet flagships, knows where she disappeared to during her lost years nor how she obtained her Mental Model other than it was something that none of the Fog could understand. [[spoiler:Chapter 116 sheds some light on this regarding how she got her Mental Model and her relationship with Kotono Amaha.]]
219* TheOjou: Gives off this aesthetic with her 'main' Mental Model.
220* OrcusOnHisThrone: Yamato has yet to do much of anything all series save for pointing people where she wants them to go. You just know that when she's ready to make her plans known, it's going to be ''big''.
221* PerpetualSmiler
222* RedOniBlueOni: Her two Mental Models are the opposites of each other. Yamato is the Blue Oni, being calm, dignified, soft-spoken, and wears elaborate ballgowns while [[spoiler:Kotono Amaha is the Red Oni, being cheerful, active, talkative, and wears more casual clothing]].
223* SingleMindedTwins: Averted. Unlike Nagato, Mutsu, and Bismarck, Yamato's two Mental Models display distinct personalities, with one acting like a prim and proper princess, and the other [[spoiler:acting exactly like Gunzou's dead childhood friend Kotono Amaha, because she ''is'' Kotono Amaha]].
224* {{Troll}}: In the [[BonusMaterial very non-canon extras]] included in each manga volume, Yamato takes particular pleasure in trolling her subordinates I-400 and I-402.
225* WorthyOpponent: Respects humanity for their strategic skills and will to keep fighting the Fleet of Fog despite the odds against them.
226
227!!Kongou
228[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_kongou.jpg]]
229[[caption-width-right:200:The Iron Lady of the Fog.]]
230
231->Voiced by: Creator/HoukoKuwashima (Drama CD), Creator/{{Yukana}} (Anime)
232
233A Fog Battleship and the flagship of the Second Oriental Fleet (Third Oriental Fleet before reorganization). Serves as the primary antagonist in ''Ars Nova'' and a major antagonist in the manga's first act until her defeat and replacement by Hyuuga.
234----
235* AdaptationPersonalityChange: Let's just say that when one version acts as the "FinalBoss" in an arc that spanned ''several books'', while the other not only arrives as THE most powerful member of TheCavalry for the heroes, but actually gives one of the main characters a speech that raises her flagging confidence, then a divergence happened ''somewhere'' along the way.
236* ArtEvolution: Kongou's design has changed slightly over the course of the manga, primarily in her face which has become more mature and sharply featured. Her appearance in ''Ars Nova'' matches that of the early manga chapters.
237* TheCavalry: In ''Cadenza'', where she's the last to arrive and assist Blue Steel in breaking Hiei's blockade.
238* EmotionlessGirl: Manga Kongou certainly believes this, as she thinks that emotions make the Fog inefficient and distracts its members from their purpose as weapons. She loses this after her defeat and sinking.
239** The Kongou in ''Ars Nova'' however is convinced in the end that emotions ''are'' important facets of an individual, which each Fog Ship capable of creating Mental Models are becoming, and as such can't be ignored or set aside.
240* EstablishingCharacterMoment: In the prologue for Episode One of the anime, a bit of the Last Great Battle is shown. In it, Kongo is shown at the head of the line (distinguished by her purple glow), and engages the human ships via [[RammingAlwaysWorks ramming]] them, hinting at the brute force method of solving problems she will exhibit later on.
241* FanservicePack: In ''Cadenza'', Kongou wears a much more revealing outfit and appears to have larger breasts compared to ''Ars Nova''.
242* GracefulLadiesLikePurple / PurpleIsPowerful: Imbues the elegance of a ProperLady through her mental model, while at the same time being one of the most powerful ships of the Fleet of Fog. Becomes more evident with her new dress in ''Cadenza''.
243* HimeCut: Modified by her usual style of tying her hair into the distinctive 'puffball' pigtails. After activating her Flagship equipment, she lets her hair down (and grows it out) for the full effect.
244* ImplacableWoman: She becomes extremely obsessed with Iona and attempts to sink her at all costs.
245* LickedByTheDog: In the manga, seagulls seem to like her. A lot. Spoofed in the Fog Theater shorts after every chapter.
246* MidseasonUpgrade:
247** In the manga. She gains access to Flagship Equipment care of Akashi, which aside from giving her a nice new gown and hat, turns her into a one-woman ZergRush: she is able to "transport" Fog Vessels from other parts of the Japanese Archipelago to her location, giving them new bodies before teleporting their Union Cores to them to operate. In essence, a battleship-sized 3D printer.
248** In the Anime, [[spoiler:after realizing that Maya was nothing more than a puppet controlled by [=I-400 and I-402=],]] she absorbs [[spoiler:Maya]] and converts her ship into a floating [[Franchise/StarWars Death-Star]]-like fortress with an oversized WaveMotionGun.
249* MyMasterRightOrWrong: While she dislikes Yamato's idea that the Fleet of Fog should have Mental Models and humans to help them in their goals, she nevertheless obeys.
250* PreAssKickingOneLiner: Gives one to Hiei in ''Cadenza'', when the former questions why she had the gall to show up ''now'', and only to support Blue Steel.
251--> '''Kongou:''' ''I'' decide where I go and when I return.
252* {{Pride}}: Kongou has a LOT of pride, both in herself, her capabilities, as well as the superiority of the Fog Fleet in general. Even more so in the manga, but it's ''because'' of this pride that Blue Steel is able to counter her time and again, culminating in her defeat, despite the overwhelming numbers of her fleet AND having Ise with her. Iona says as such, in TheReasonYouSuckSpeech she gives once Kongou realizes that she's been played, HARD.
253--> '''Iona''' (just as her Seirans unload their deadly payload of corrosive missiles on Kongou): A pride that isolates you is too superior for those of us who appeared on this earth.
254--> '''Kongou''': What is so wrong about being superior?
255--> '''Iona''': The name of that sort of pride... is simply '''arrogance'''.
256* RammingAlwaysWorks: Comes full circle in ''Cadenza'', where Kongou ''plows through Hiei's Graviton Cannon blast'' in order to use her ship body ([[http://i.imgur.com/Jh5TLhH.png which had separated as if it were gigantic pliers]]) to hold Hiei in place.
257** In the manga, [[spoiler:she rams Matsushima with her prow in a last-ditch effort to finish off Gunzou after the rest of her hull was reduced to sinking debris.]]
258* TheReasonYouSuckSpeech: Both the giver of AND the receiving part in Ars Nova and the manga.
259** In the manga, Iona gives her one upon Kongou's defeat, explaining that Kongou's self-confidence and sense of superiority is just arrogance, a weakness rather than a strength.
260** In the ''Cadenza'' movie, she gives this to Hiei:
261--> '''Kongou:''' Hiei, let me enlighten you: you use rules for self-discipline. You ''don't'' force them on other people.
262* RedEyesTakeWarning: Her red pupils which contrast her shin and hair, and also indicate how much of a powerhouse she is among the fogships.
263* SexyBacklessOutfit: What she wears when she makes her triumphant return as part of TheCavalry in ''Cadenza''.
264* TheStoic: One of her primary traits as a fogship, she barely had a moment of raising her voice even while in battle with other fogships.
265** NotSoStoic: Somewhat lost it in ''Ars Nova'', after I-400 and I-402 revealed that they have been controlling Maya from the beginning, to keep an eye on her under orders from Yamato. [[spoiler:When the twin subs stripped Kongou of her authority and placed her on lockdown (with Maya's mental model continuously glitching as a form of insult), Kongou obvously went mad and absorbed Maya's ship form out of rage towards Iona.]]
266* TakingYouWithMe: When she's finally defeated in chapter 72, Kongou makes a point of destroying the ''Matsushima'' before her reactor explodes, [[spoiler: possibly killing Gunzou]].
267* TookALevelInBadass: In her early appearances Kongou seemed almost lazy, content to keep the status quo and watch the seabirds. After losing at least five ships [[note]] Nagara, I-501, Takao (AWOL), Haruna, Kirishima, Maya is arguably a sixth since she's on extended loan[[/note]] to Iona and crew, Kongou has finally had enough and is going ''all-out''. Cue her MidSeasonUpgrade and the summoning of her entire fleet with the express purpose of sinking Iona.
268* TragicKeepsake: In ''Cadenza'', it's revealed that she still keeps [[spoiler:[[http://i.imgur.com/hpNvvOw.png Maya's piano]]]].
269* VillainousBreakdown: [[spoiler:In Ars Nova, she gradually starts to act in ways that cause I-400 and I-402 to question her loyalty. Then in episode 10 of the anime, her ship is locked down by the two subs, and she also finds out that Maya, her last friend/ally, was an AI construct designed to spy on her.]]
270* YouAreBetterThanYouThinkYouAre: In ''Cadenza'', it's ''Kongou'' who gives Iona a pep talk, when the latter starts doubting herself.
271--> '''Kongou:''' Your existence will always stay in my heart. No matter what you become, ''I'' will remember you, and that's the proof you existed. My changed world... You're the one who brought me there.
272
273!!Haruna
274[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_haruna3.jpg]]
275[[caption-width-right:200:She's friendlier than she looks.]]
276-> Voiced By: Creator/HibikuYamamura
277
278A Fog Battleship and subordinate to Kongou, as well as one of her sisters. Loses her ship body when assaulting Yokosuka, leading to her fateful encounter with Makie Osakabe.
279----
280* BadassLongcoat: A rather intimidating AllEncompassingMantle variant. Its badassery is acknowledged in-universe as well - wearing it gives Haruna a significant confidence-boost. [[note]] Supplemental material in the manga reveals that losing the coat actually reduces her processing power by 100%. Losing it drastically reduces her capabilities. That said, the page in question was written ''very'' tongue-in-cheek and revealed a series of secret pockets on the inside filled with mostly useless items like snacks.[[/note]]
281* ChickMagnet: She attracts Makie and Maya very naturally.
282* CoatCape: It covers her entire body, and most of the time only the upper part of her head is visible.
283* DefrostingIceQueen: She's gone from borderline EmotionlessGirl to simply TheQuietOne. Time will tell if she softens to anyone but Makie or Kirishima, but now that she's joined the naval academy (undercover) [[spoiler:she's not even wearing her coat!]]
284* GirlishPigtails
285* HeelFaceTurn: Saving Makie definitely counts, though she does not want to join Blue Steel.
286* HiddenHeartOfGold: She might seem stoic, though she does not hesitate when Kirishima or Makie is in danger.
287* InstantCosplaySurprise: By Makie.
288* MamaBear: Woe betides those who would harm Makie. Her destruction of an entire army division with armored support was ''holding back''.
289* OneManArmy: She goes VideoGame/DynastyWarriors style on invading human soldiers and vehicles when Makie is threatened.
290* RedOniBlueOni: Blue to Kirishima's red.
291* SexyCoatFlashing: A variant in that Makie finds her coat outside of the building that Haruna and Kirishima crashed through and enters to discover Kirishima's core and Haruna's unconscious body clad only in lingerie.
292* SleepCute
293* TheStoic: Most of the time, especially when her mouth is covered by the collar of her coat.
294** NotSoStoic: Without her coat, or if her mouth is visible. Not even the coat could hide her emotion when [[spoiler: Doctor Osakabe died.]]
295* SureLetsGoWithThat: Makie discovers Youtaro [[ItMakesSenseInContext (actually Kirishima)]] is now mobile:
296--> '''Makie:''' Are you involved in top-secret government projects and stuff?! [[ChildProdigy Like me?!!]]
297--> '''Haruna:''' Er... I... Uh, yes..?
298* ThemedAliases: She takes the Osakabe surname [[spoiler:when she infiltrates Yokosuka as a student]]. Despite how Kamikage comments on how, much like Takao before her, Haruna's alias isn't very creative, the fact that she even used that surname is meaningful on MANY levels.
299* TookALevelInBadAss: After losing her ship body.
300* VillainousBreakdown: [[spoiler:Professor Osakabe's death]] sends Haruna's emotions into a destructive feedback loop. She very nearly launches an annihilation attack on all three Japanese capitals before [[DeusExMachina the Admiralty Code steps in]].
301
302!!Kirishima
303[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_kirishima.jpg]]
304[[caption-width-right:200:Once upon a time, she wasn't ALWAYS a bear...]]
305-> Voiced By: Creator/YumiUchiyama
306
307A Fog Battleship subordinate to Kongou, as well as her sister. Lost both her ship body and Mental Model at Yokosuka and has been forced to run around as a stuffed bear until recently.
308----
309* BadassLongcoat: In the manga.
310* ButtMonkey: Poor Kirishima often gets the short end of jokes as Yotarou the stuffed bear. Even getting her original body back didn't change this as she constantly kept falling for Takao's traps at Facility No. 4.
311* ExpressiveMask: Often, as Yotarou.
312* FashionableAsymmetry: In the anime, though the design was first revealed on the cover of Book 4.
313* {{Irony}}: Prior to her battle with the I-401 (and the ''Hakugei'' in the manga), she sneers at the idea of regret and humans expressing it. Guess what happens after her defeat at their hands...
314* JerkAss: Before losing her ship.
315* JerkWithAHeartOfGold: The HumiliationConga of getting sunk and getting reconstituted as a stuffed bear has mellowed her out. She's been ready to be the fall-guy when trying to explain things with Kongo and puts considerable stock in loyalty.
316* LargeHam
317* NavelWindow: Her original, pre-sinking outfit in the manga was a BadassLongcoat and matching business suit which only buttoned from the collar to her sternum, leaving her midriff in full view. Her outfit in the anime (pictured), despite being more revealing elsewhere, only had a thin strip of skin showing between her trousers and shirt top.
318* NoKillLikeOverkill: Used to love this trope. The [[CombiningMecha combination play]] with Haruna (that ultimately got them both sunk) was intended to utterly wipe Iona and crew from existence, just to make sure they ''stayed'' dead.
319* PintsizedPowerhouse: After being reconstructed with part of Haruna's nanomachines and gaining control of one of Makie's stuffed dolls. Even in this form, she can still knock out soldiers with ease. [[spoiler:In the manga, the stuffed doll is actually a costume the now chibified Kirishima wears.]] She has since gotten back her original body.
320* {{Pride}}: A traits of hers and what led to her downfall. Haruna and Kirishima could have defeated both the I-401 and Hakugei had they call the rest of the 2nd Oriental Fleet for backup but refuses out of her desire to claim credit in defeating the I-401.
321
322!!Maya
323[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_maya.jpg]]
324[[caption-width-right:200:ITS A CARNIVAL, 24-7!]]
325-> Voiced By: MAKO
326
327A Fog Heavy Cruiser currently under Haruna's command and calls her "The Flagship of My Heart". She collects musical instruments and plays all of them (it took her a while to recreate a piano correctly).
328----
329* BrokenRecord: She once spammed Kongou's comms channel by singing a song ''189567 times'' before being interrupted by Haruna. Even assuming the song was only a second long, that's still ''[[MadnessMantra fifty-two hours non-stop]]''. She could of course just have been exaggerating.
330* ButtMonkey: She gets easily hacked by the other Mental Models.
331* DeathByAdaptation: In the ''Ars Nova'' anime. Her ship body is even absorbed into Kongou during the finale. She is still around in the manga.
332* GenkiGirl: Most of the time. [[spoiler:In Ars Nova, after the revelation that she's an AI construct designed to spy on Kongou, this attitude takes on a creepy undertone when she starts to repeat herself to Kongou.]]
333* MadnessMantra: Her oft-quoted line "It's a carnival!" is used ''once'' in the manga. In ''Ars Nova'' she's stuck saying it in a loop after [[spoiler:her mind is wiped by the I-400 twins and left to guard/annoy Kongou.]]
334* MoreDakka: It's clear that the Fog like this trope, but she likes to take it to a ''to a completely different level''.
335-->It's a CARNIVAL! ''(shoots '''everything''')''
336* PerkyFemaleMinion: Her current occupation under Haruna which she's found very enjoyable.
337* PluckyComicRelief: Despite being Haruna and Kirishima's bodyguard in the manga, her role has been to give more levity to the otherwise serious nature of their visit to Hokkaido.
338* SelfDuplication: Uses her mini models as an orchestra.
339
340!!Hiei
341[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_hiei.jpg]]
342[[caption-width-right:200:There will be ORDER, even if she has to kill everyone else to get it.]]
343-> Voiced By: [[Creator/MaoIchimichi M・A・O]]
344
345A Fog Battleship subordinated to Kongou, as well as one of her sisters. She is the leader of the self-governing body "Student Council" formed with the four Myoukou-class Cruisers.
346----
347* CompositeCharacter: Her incarnation in ''DC'' and ''Cadenza'' takes aspects from other manga ships and Mental Models, such as the Mirror Ring system of the U-2501, and Manga!Kongou's assertion that the Fog Fleet needs to return to the emotionless state they had prior to gaining Mental Models. She even quotes Kongou (in her Flagship Equipment form) word-for-word.
348* TheDragon: To Kongou. [[spoiler: To Musashi in the movies.]]
349* OhCrap: In ''Cadenza'', she does ''not'' take Kongou's arrival as one of Blue Steel's reinforcements well.
350* OrderVersusChaos: She believes the Fleet should be orderly and not chaotic which is why she hates Hyuga.
351* ReassignedToAntarctica: After being sunk and retrieved by Yukikaze, Hiei has been posted to Hashirajima.
352* TheRival: To Hyuuga. Hiei doesn't like the former 2nd Fleet Flagship Hyuuga because her eccentric behavior rubbed off on Takao, Haruna, Kirishima, and Maya, who her subordinates at the time, which lead them to have their own personalities and to defect from the Fog.
353* {{Roboteching}}: Hiei's "Sniper System" lets her bend the beam of her WaveMotionGun significantly off-axis. The system is apparently unique to her.
354* ShutUpKirk: In ''DC'', she verbally stonewalls Iona's attempts at trying to find a non-violent resolution with her.
355* StudentCouncilPresident: She and her own [[QuirkyMinibossSquad personal squadron]] wear matching Student council uniforms.
356
357!!Myoukou
358[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_myoukou.jpg]]
359[[caption-width-right:200:The Vice President.]]
360-> Voiced By: Creator/AyakaFukuhara
361
362A Fog Heavy Cruiser and Hiei's second-in-command of the "Student Council". Takes considerable pride in her abilities and role as Vice-President of the council (although she's still not sold on the uniform).
363----
364* {{BFG}}: Her Super-Gravity Cannon takes the form of a ''pair'' of colossal gun barrels longer than her own hull.
365* ColdSniper: Calm, collected, and specialized in delivering one-hit-kill shots.
366* TheDragon: To Hiei.
367* EyepatchOfPower: Linked to her main cannons as a targeting display, it's otherwise decorative and removable.
368* FashionableAsymmetry: Her knee-socks are of different lengths. She and Haguro both wear a single armored bracer in the manner of Japanese archers [[note]] Myoukou's is on her left arm, Haguro's is on her right.[[/note]] The hemlines of all "Student Council" jackets (save Hiei herself) are longer on the left side.
369
370!!Nachi
371[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_nachi.jpg]]
372[[caption-width-right:200:The Devil's Ears.]]
373-> Voiced By: Creator/SatomiSato
374
375Sister ship of Myoukou has top-notch sonar and communications gear and serves as the ears of Hiei's "Student Council". After being sunk by I-401, she has been missing.
376----
377* NecessaryDrawback: She has the best sensor suite of Hiei's escort fleet, but in return, she had to get rid of her Graviton Cannon to fit all of the sensory equipment into her superstructure.
378* TheQuietOne: Has a very muted personality compared to her sisters.
379* RecursiveAmmo: Nachi's signature attack is to launch one or more ICBM-sized missiles at the target, each of which is carrying between 12 and 16 torpedoes.
380* RedOniBlueOni: The Blue to Ashigara's Red.
381* TheSmartGuy: Is ''constantly'' asking Ashigara to slow down and ''study the data'' before charging into combat.
382
383!!Haguro
384[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_haguro.jpg]]
385[[caption-width-right:200:The Little Sister.]]
386-> Voiced By: Creator/HiromiIgarashi
387
388The sister ship of Myoukou and member of Hiei's "Student Council". Initially an escort of Hiei and Myoukou, has since teamed up with Ashigara after they were both sunk by Iona.
389----
390* AdaptationalBadass: In the manga, Haguro was the first victim of Iona's strategy against Kongou, and her ship body went down without even firing a shot, on top of her Union Core ending up in a sharks belly. In ''Cadenza'' though? She manages to disrupt Takao ''and'' Haruna due to her speed.
391* {{Expy}}: To ''VideoGame/KanColle'''s Shimakaze, of all people, in the ''Ars Nova Cadenza'' movie.
392* HeelFaceTurn: For the time being, as Iona's "guests" she's stuck helping with the extra bridge duties alongside Ashigara until both of them were dumped on Iwo Jima.
393* HumiliationConga: Forced to wear Hiei's "Student Council" uniform, was the first one sunk by Iona, reduced to only her (totally helpless) core and then ''swallowed by a shark''. Now that she's been rescued she's still stuck playing second fiddle to Ashigara.
394* NecessaryDrawback: She's the fastest of Hiei's escorts in the ''Ars Nova'' movie, but like her sisters she had to get rid of her Graviton Cannon to get her speed.
395* TokenMiniMoe: Is notably younger-looking than the other members of Hiei's group, appearing only as a pre-teen instead of the more typical mid-late teens of the other members.
396
397!!Ashigara
398[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_ashigara.jpg]]
399[[caption-width-right:200:The Hungry Wolf.]]
400-> Voiced By: Creator/SuzukoMimori
401
402Sister ship of Myoukou and final member of Hiei's "Student Council". Initially paired with Nachi, has wound up with Haguro after they were both sunk by Iona.
403----
404* ActuallyPrettyFunny: After getting beaned in the face with a torpedo, Ashigara floats stunned to the surface before cracking up with laughter.
405* AdaptationalBadass: Much like Haguro, Ashigara makes a FAR better showing in ''Cadenza'' than in the manga, up the point where she gives Takao a run for her money.
406* BloodKnight: As happy and energetic as she is, what she wants is to fight. Her attitude to it is reasonably honorable, since she wants a fair fight, and won't sink an enemy outside battle.
407* BoisterousBruiser: She ''really'' likes to get straight into combat. The moment Iona was detected she dove headlong into the water, knowing full well that it meant she could only use torpedoes (which she's not very good with). The ''Ars Nova Cadenza'' movie [[CharacterExaggeration exaggerates]] her personality to full GenkiGirl levels of hyperactivity.
408* ButtMonkey: Often self-inflicted, Ashigara's tendency for bull-rushing into a fight means that she doesn't get much respect ''and'' makes her defeats the most humiliating.
409* CuteLittleFangs: Highlighting her [[BloodKnight aggressive nature]], she sports a pair of fangs.
410* GenkiGirl: In ''Cadenza'', she's barely ever still, and is constantly spinning, moving, or otherwise bouncing around. Most of the time, she's expressing her will and wants to fight.
411* HeelFaceTurn: Time will tell if it will stick, but for now both she and Haguro are assisting with the bridge duties onboard Iona until both of them were dumped on Iwo Jima.
412* HimeCut: With bonus OjouRinglets at the ends of her long side locks. Amusingly, common tropes associated with this hairstyle ''don't'' apply to Ashigara.
413* OOCIsSeriousBusiness: Ashigara drops the genki girl act entirely when Iona decides to try and recover the Matsushima in the wake of the MutualKill between it and Kongou, as she sees it as needlessly reckless ''especially'' since there's still a hostile fleet on the surface and the fact that I-401 is barely in fighting condition after the fight with Kongou.
414* RedOniBlueOni: The Red to Nachi's Blue.
415* SignatureHeadgear: She wears a pair of stylized wolf hair clips above her ears. Along with her CuteLittleFangs it's referencing her RealLife counterpart's nickname "The Hungry Wolf".
416* TakingTheBullet: In the manga, she blocks a full spread of Iona's corrosive torpedos aimed at Kongou, and her ship body gets sunk as a result.
417* WorthyOpponent:
418** ''Wants'' to be this for Iona, believing in the Fair Fight. [[spoiler:This is why she refuses to simply scuttle Iona from inside when she and Haguro end up in Iona's engine room.]]
419** Becomes this for Takao in ''Cadenza'', ''especially'' when Hyuuga reveals the "additions" that she made to Takao's superstructure.
420
421!!Ise
422A Fog Battleship belonging to Second Fleet, and Hyuuga's twin sister. She had a pretty minor role until her Union Core is summoned by Kongou via her Flagship Equipment to aid the latter in sinking Iona. Since Kongou's defeat and Hyuuga's reinstatement as Second Fleet's flagship, she has been reassigned to Hashirajima.
423----
424* AllForNothing: Ise is developing a personal grudge against Iona for "kidnapping" her sister, Hyuuga. Little does she know that Hyuuga switched sides willingly, and isn't even on the I-401. This grudge has been dropped in recent chapters.
425* TheDragon: For Kongou, after Hiei gets taken out by Hyuuga.
426* TheDreaded: Hyuuga is ''terrified'' of her sister. Given her [[MyBelovedSmother obsessive/possessive behaviour]], this is probably well-founded.
427* TheGhost: Was only vaguely referred to prior to her introduction in Chapter 63.
428* ReassignedToAntarctica: Due to losing track of Lexington's Mental Model by the simple expedient of leaving her hull behind as a distraction, Hyuuga had her reassigned to Hashirajima.
429* StrongFamilyResemblance: Her Mental Model looks like Hyuuga's, only with longer hair.
430* SweetTooth: Her Mental Model is shown eating sweets. Whether or not they are real or created by nanomaterials is currently unknown.
431
432!!I-400
433[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_i400.jpg]]
434 [[caption-width-right:200:Always one step behind.]]
435->Voiced by: Creator/AoiYuuki (Drama CD), Creator/RinaHidaka (Anime)
436
437A Fleet of Fog submarine, member of Yamato's Intelligence Fleet, and is loyal to the flagship before all else. Looks exactly like Iona, save for her clothing.
438
439While in the manga, I-400 and I-402 are the left and right hands of Yamato, in Ars Nova they are shown to be agents of the Admiralty Code and, by extension, [[spoiler:Musashi, who in ''Ars Nova Cadenza'' was revealed to have usurped the Admiralty Code through sinking her sister ship Yamato.]]
440----
441* AdaptationalVillainy: In the Ars Nova anime, where it's revealed that she and her sister I-402 have been playing Kongou like a fiddle the whole time.
442* DeathByAdaptation: Is sunk by Iona in the ''Ars Nova'' anime.
443* DramaticHighPerching: I-400 prefers observing Haruna and company from rooftops and other elevated vantage points.
444* TheStoic: Probably the most deadpan of Iona's two sisters, likely due to her much lower exposure to Humanity (as unlike 402, she's been tasked by Yamato to shadow Haruna's movements instead).
445
446!!I-402
447[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_i402.jpg]]
448[[caption-width-right:200:Mom and Manager, rolled into one.]]
449->Voiced by: Creator/AoiYuuki (Drama CD), Creator/NozomiYamamoto (Anime)
450
451A Fleet of Fog submarine, member of the Intelligence Fleet. Also looks exactly like Iona, save for her clothing.
452
453In the manga, she is the one that retrieves Takao in the wake of her battle against Zordan, and brings her to Yamato for a little heart-to-heart. Later on, she accompanies Takao and Zuikaku to Yokosuka, where she more or less settles into the role of Takao's nanny.
454----
455* AdaptationalVillainy: In the Ars Nova anime, where it's revealed that she and her sister I-400 have been playing Kongou like a fiddle the whole time.
456* DeathByAdaptation: Is sunk by Iona in the ''Ars Nova'' anime.
457* HeelFaceDoorSlam: In the anime at least, she only starts to show a tiny bit of emotion just before she got hit for shielding her sister.
458* LittleMissSnarker: In an interesting bit of parallel evolution to Iona, 402 is developing a snarky personality the longer she stays in Yokosuka with Zuikaku and Takao.
459* {{NEET}}: Worries she might be becoming one in the (non-canon) bonus comic strips.
460* TeamMom: Settles into this role for the infiltration team at Yokosuka, where she does the groceries, cooks, and cleans the tiny apartment she shares with Takao and Zuikaku.
461* {{Troll}}: Enjoys teasing Takao over her crush on Gunzo.
462
463!!Yukikaze
464
465A Fleet of Fog destroyer, member of Yamato's personal fleet. She was given a Mental Model by Yamato and made to spy on Blue Steel's battle with Second Fleet. She later ended up helping the former and retrieved Hyuuga and Hiei after they sunk each other.
466----
467* KimonoIsTraditional: Her Mental Model wears a kimono.
468
469!!Nagato
470[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/nagato_mm.jpg]]
471 [[caption-width-right:350:]]
472A Fog Battleship and the flagship of the First Oriental Fleet. She was the former Supreme Flagship during Yamato's 15-year absence.
473----
474* TheChessmaster: Many events in the manga wouldn't have been possible without Nagato loaning ships from her fleet, asking the right questions, or egging Kongou into action. She's shown a particular fondness for supporting Kongou's wayward subordinates, apparently [[ForTheLulz just to see what will happen next]]. She also loaned Atago to Yamato by sending her to Yokosuka under the orders of wanting intel while giving Yamato some extra reinforcements and is aware that change is coming rather quickly.
475* FinishingEachOthersSentences: Her two Mental Models do this sometimes.
476* FlowerMotifs: Cherry blossoms. Her ship is surrounded by nanomaterial cherry blossom petals whenever she appears. Chapter 117 shows she has a cherry blossom tree on top of her main pagoda bridge.
477* GoodSmokingEvilSmoking: One of her Mental Models smokes from a ''kiseru'' pipe.
478* KimonoIsTraditional: Both of her Mental Models wear these.
479* SingleMindedTwins: She has a pair of Mental Models as her avatar, one a shrine maiden, the other a geisha. There's very little difference between them other than clothing.
480* SupernaturalGoldEyes: Her Mental Models have gold pupils.
481* YamatoNadeshiko: There seems to be a pattern to these battleships...
482
483!!Mutsu
484
485A Fog Battleship under Nagato. She is her younger sister and second-in-command of the First Fleet.
486----
487* HimeCut: Both of her Mental Models have this, befitting their samurai aesthetic.
488* KatanasAreJustBetter: Her other Mental Model has a katana. She unsheaths it to mime launching torpedoes and her hull even contains a particle beam saber that she uses to cut down incoming missiles and torpedoes.
489* NotSoAboveItAll: Finds herself [[{{Squee}} squeeing]] when Yamato sends her a picture of Gunzou as a kid.
490* {{Samurai}}: Both of her Mental Models appear to be patterned after this aesthetic.
491* SingleMindedTwins: Like Nagato, Mutsu has two Mental Models that have the same personality with near-identical clothing.
492* UndyingLoyalty: To Nagato. She believes that she would be a flagship forever and can do no wrong. Nagato chastises her for assuming that she would be around to guide them forever.
493* YamatoNadeshiko: Like her older sister.
494
495!!Atago
496
497A Fog Heavy Cruiser under Nagato and Takao's younger sister. She is currently on land at Yokosuka having been 'loaned' to Yamato under Nagato's instructions to learn what the Supreme Flagship is up to.
498----
499* StrongFamilyResemblance: Of a sort. Her Mental Model resembles a younger Takao with shorter hair.
500
501!!Zuikaku
502
503A Fog Assault and Suppression Vessel or "assault ship" under Nagato, she joins I-402 in infiltrating Yokosuka, and in the process becomes Takao's virtual roommate in their hideout at the docks. Contrary to most Fleet of Fog Mental Models, Zuikaku shows none of the awkwardness in interacting with the local human population and has become a regular at the local market due to the seafood she catches and sold to them.
504----
505* BigOlEyebrows: Considerably thicker than average for Mental Models, when you can see them behind her bangs, of course.
506* FriendInTheBlackMarket: Zuikaku herself is this to any restaurant owners looking for fish that can't be caught close to shore, like tuna. Just don't ask how she got them. [[spoiler:Rod and reel, usually.]]
507* KindHeartedCatLover: Is shown to have a cat as a pet, though fandom is divided at whether or not it's a real cat or another Mental Model.
508* NonIndicativeName: Zuikaku has been [[InsistentTerminology repeatedly called]] (in official materials no less!) an "assault/area suppression ship", but it's obvious to all who can see that her ship body is an aircraft carrier. Then again, the term probably has different connotations for the Fleet of Fog than the modern assault ships in current navies.
509* ThePiratesWhoDontDoAnything: Like all the other aircraft carriers in the Fleet of Fog, Zuikaku lost her aircraft in combat and was restricted from making any more. She took up fishing to stave off the resulting boredom.
510
511!!Choukai
512
513A Fog Heavy Cruiser and overseer of the Fleet of Fog's Hashirajima SpaceElevator/naval facility. She is the first Heavy Cruiser sunk by Gunzou and Iona.
514----
515* KimonoIsTraditional: Wears a kimono in her first appearance.
516* SpaceElevator: The Hashirajima facility is a naval dock built around this. Choukai is integrated into the facility via her hull becoming part of the facility, granting her full control of it. She can leave the facility and separate her hull from it but since she has not been assigned to another fleet, she is its current overseer.
517* StrongFamilyResemblance: Just like how Atago's Mental Model looks like a younger Takao, Choukai's Mental Model looks almost like Maya's.
518
519!!Akagi
520
521A Fog "assault ship" and the de facto flagship of the Japanese assault ships. She is currently stationed at Yokosuka as a power station.
522----
523* KimonoIsTraditional: Her Mental Model wears a modern version of this with a short skirt over black tights.
524* OnlyFriend: For a long time she was this to Kongou, being the only one to make her smile.
525
526[[/folder]]
527
528
529!The Scarlet Fleet
530
531A splinter faction of the Fog Fleet maintaining the European blockade, and commanded by Gunzou's father Shouzou, the Scarlet Fleet has notably deviated from the duties tasked to it by the Admiralty Code, to the point where it's been drawn into conflict with the ''rest'' of the European Fleet (under the HMS Hood). With the Superbattleship Musashi as its flagship, the fleet seems to be tacitly supporting Shouzou's machinations toward an as-of-yet unknown goal.
532
533[[folder:Members of the Scarlet Fleet]]
534
535!!Shouzou Chihaya
536[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_shozo.jpg]]
537[[caption-width-right:200:Rejoice, my son.]]
538-> Voiced By: Creator/JojiNakata.
539
540The Captain of the Musashi, Former Captain of the I-401 before he defected to the Fleet of Fog. He has since then taken over most of the ships comprising the European Blockade for his own purposes, much to the alarm of the Fog Fleet stationed in those waters.
541----
542* CoolShades: Wears a black pair upon reappearing as Admiral of the Scarlet Fleet.
543* DeathByAdaptation: While very much alive and even a major antagonist in the manga, Shouzou is revealed to be dead in ''Ars Nova Cadenza''. The Shouzou we see on-screen is a nanomaterial clone with no will of its own.
544* FaceHeelTurn: Was a former war hero who captured the I-401. Now he's one of the Fleet of Fog commanders working towards his own goal.
545* ReasonableAuthorityFigure: He's the only human officer who was willing to negotiate with the Fog Fleet in the ''Ars Nova'' continuity, and got branded a traitor because of it. [[spoiler:In truth, his subordinates, who ''didn't'' like to negotiate, killed him during a mutiny.]]
546* UtopiaJustifiesTheMeans: Based on comments made by Zordan Stark, Shouzou's aim is to use the Scarlet Fleet in unifying humanity and end the international conflicts that have plagued human history. The rest of humanity won't get a choice in the matter.
547
548!!Musashi
549[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_musashi.jpg]]
550[[caption-width-right:200:This ice princess can't let it go.]]
551->Voiced by: Creator/RieKugimiya
552
553A Superbattleship of the Fleet of Fog, and sister ship of Yamato. For unknown reasons, she has aligned herself with Shouzou Chihaya and seems to be complicit with whatever plans the human captain has for the European Blockade.
554
555She becomes the primary antagonist for the ''Ars Nova Cadenza'' movie, where she gives Humanity an ultimatum: somehow find a way to stop her at the Arctic Ocean in two days, or else she turns all the weapons of the Fog Fleet on all of Earth's populated cities.
556----
557* AdaptationalVillainy: While ostensibly an antagonist in the manga, what her being in cahoots with Gunzou's father, Musashi herself hasn't actually done anything overtly harmful to people. Compare this to her appearance in ''Cadenza'', where she's very much the BigBad AND has it in for Humanity as a whole.
558* BigBad: For the ''Cadenza'' movie.
559* CainAndAbel: Inverted. As the younger sibling, it's Musashi who sends Yamato into the depths of the Bering Sea.
560* EntertaininglyWrong: She's utterly convinced throughout ''Cadenza'' that Yamato's been pulling the strings behind Blue Steel's actions, and using "Iona" as a mask. [[spoiler:Unfortunately when Iona reveals that she's her own person, and Yamato ''hasn't'' been actively guiding her, Musashi well and truly loses it.]]
561* EyesAlwaysShut: Through the manga and most of ''Cadenza''. When she ''does'' open her eyes in the movie, it's usually for something important.
562* HoistByTheirOwnPetard: Her own Mirror Ring system is used in the finale of ''Cadenza'' to defeat her once and for all, [[spoiler:when Iona-as-Yamato uses it to warp ''above'' Musashi, where the latter is essentially defenseless]].
563* HumansAreBastards: Her motivating factor throughout ''Cadenza'': that Humanity as a whole could not be trusted, and would be better off wiped out. [[spoiler:This was brought about by her witnessing how Shouzo Chihaya, the most reasonable human she's ever met, was assassinated by his own crew, for the simple fact that he treated her and Yamato as ''people'' rather than just evil weapons.]]
564* InsistentTerminology: She keeps on calling Iona "Yamato's Doll" in ''Cadenza''. [[spoiler:Because she's convinced that Yamato's personality is secretly hiding underneath Iona's facade. Except she's very VERY wrong.]]
565* {{Irony}}: In ''Cadenza'' she overpowers Yamato's shields by ramming her sister-ship and then firing her Graviton Cannon point-blank at her superstructure. [[spoiler:This is ''exactly'' how she is finished off in the end.]]
566* MysticalWhiteHair: Has white hair, and is a Mental Model of the Fleet of Fog.
567* PrettyInMink: We are first introduced to Musashi in the manga wearing an astrakhan hat and a fur-lined mantle.
568* VillainousBreakdown: In ''Cadenza'', Musashi essentially breaks down in a massive temper tantrum when she learns through Iona [[spoiler:who is speaking with Yamato's memories]] that, despite everything she's done, Yamato still loves her as her dearest sister.
569
570!!U-2501
571A Fleet of Fog submarine European Fleet under the command of Zordan Stark and his human crew. [[spoiler: According to the battleship New Jersey, U-2501 is based around the core of the destroyer ''Z1 Leberecht Maass'' and shouldn't be capable of operating half the systems she has done.]]
572----
573* NoSell: The Mirror-Ring System, which is supposed to be exclusive to ''Yamato'' and ''Musashi'', allows U-2501 to deflect even super-heavy cannon shots. [[spoiler:It's what led to Takao's sinking since she had no idea about this system.]]
574* TokenMiniMoe: Her mental model takes the form of an adorable child, a marked contrast to her crew who are all in their mid/late teens.
575* UndyingLoyalty: U-2501 is completely dedicated to Zordan, whom she considers infallible, despite the open disdain he has shown towards her.
576
577!!Zordan Stark
578Captain of U-2501. Personally trained by Adm. Chihaya, Zordan and crew have been dispatched to the Pacific to make an example of Gunzou and Iona.
579----
580* CombatPragmatist
581* EvilCounterpart: Zordan Stark serves as one to Gunzou Chihaya. Both are human captains of crewed Fog submarines, match each other in tactical skill, and share close personal connections with their crews. What sets them apart is Zordan's ruthlessness and their completely opposed views on Mental Models: Chihaya considers Mental Models as people and even leaves Iona in charge of his crew when he's not there; Zordan considers Mental Models a waste of resources on a crewed ship and forbids U-2501 from manifesting one, which is a shame because the one time she did U-2501 was ''adorable''. [[spoiler:That said, he did allow her to manifest her Mental Model when the crew left for the Maritime Institute.]]
582* GermanicEfficiency: Does not like mental models because of their calculation usage. At one point, he even orders his own submarine to cancel her mental model because of it.
583* ImpoverishedPatrician: It's mentioned that he's the descendant of a ruined ''Junker''.
584* TheOnlyOneAllowedToDefeatYou: Zordan and U-2501 were sent by Chihaya Shouzou himself to be Gunzou's nemesis. When ''Lexington'' and a detachment of North American Fleet ships arrive to help ''Kongou'' against Blue Steel, Zordan intercepts them and challenges ''Lexington'' to a duel, citing this trope as his justification.
585* SmugSnake
586* WeCanRuleTogether: After cornering the 401 and its crew, Zordan suggests that Gunzou join the Fleet of Fog under his boss, Chihaya's father. Gunzou, of course, refuses.
587* WolfpackBoss: Appropriately, Zordan's strategy. Alongside the ''U-2501'', he also commands a force of automated midget subs known as the ''[[GratuitousGerman Seehund]]'' (Seals), which he uses as forward attack ships. Alongside, he can sacrifice several of these subs to create functional replicas of the ''U-2501'', complete with torpedoes and other special features.
588[[/folder]]
589
590!Miscellaneous Fleet of Fog Characters
591
592Various members of the Fleet of Fog belonging to other fleets or otherwise not directly associated with the above groups.
593
594[[folder:Unaligned Fog Fleet Ships]]
595
596!!Bismarck
597The first Fog battleship sighted by humans, the last witness of the Admiralty Code, and Flagship of the Fog's European Fleet. [[spoiler: Currently allied with Chihaya Shouzou's Scarlet Fleet to find the Admiralty Code but whether the alliance will last is doubtful, and apparently knows more than she is letting on.]]
598* GirlishPigtails
599* SingleMindedTwins
600
601!!Repulse
602A Fog battlecruiser currently on the run due to a disagreement with her former flagship, ''Hood''; while the latter advocated a direct intervention against Shouzo's Scarlet Fleet, Repulse considered the abandonment of standing orders from the Admiralty Code treasonous. When her fellow warship ''Prince of Wales'' decided to force the issue, Repulse escaped into Pacific waters instead with her escort ''Vampire'' in tow. After the intervention of the Japanese submarine ''Hakugei'' in her escape, Repulse is weighing the difficult decision of potentially cooperating with humanity.
603----
604* LuminescentBlush: Easily flustered and embarrassed, especially whenever Vampire brings up the potential of working with humans.
605* {{Meido}}: Not only has the uniform but quite literally sweeps up damage with nanomaterial brooms.
606* PrehensileHair: A variation: it's not her actual hair, but Repulse has a pair of long ribbons on her hat which function the same way.
607* ScrewThisImOuttaHere: Had to abandon her patrol route after Prince of Wales decided she was disobeying orders.
608
609!!Vampire
610Repulse's escort destroyer, and the first Fog ship shown to have a personality ''before'' she was finally given a Mental Model (care of Repulse's [[RepeatingSoTheAudienceCanHear annoyed replies]]). While she obviously doesn't have high opinions of her command ship's leadership capabilities, she's decided to stick with the hapless battlecruiser in her exile to the Pacific. [[spoiler: She is also spying on Hakugei for both Repulse and Yamato, the latter because she has no coverage further into the Pacific Ocean.]]
611----
612* CuteLittleFangs: As befits her namesake theme. Appropriately for a vampire, [[ShownTheirWork the fangs are her second incisors and not her canines]].
613* {{Meido}}: Much like her command ship, Vampire's Mental Model is themed as a Victorian Maid, though she wears a much shorter skirt, as well as a bat-themed ribbon. She loses it after concluding her meeting with the Hakugei's crew but gets it back with Yamato/Kotono Amaha's support.
614* ServileSnarker: Vampire takes every opportunity to belittle Repulse's competency, but it's obvious that she's loyal to the battlecruiser all the same.
615
616!!Lexington
617A Fog Assault and Suppression Vessel and flagship of a detachment from the North American Fleet, come to "aid" Kongou in Blue Steel's destruction. She is currently in Yokosuka, having left her ship behind as a distraction to infiltrate the Naval Academy with her Mental Model and U-2501's assistance.
618----
619* BadassBookworm: She's converted her hangar deck into a ''massive'' library which she's constantly leafing through. She also has a collection of antique globes and historical navigation equipment and dresses like a scholar. She later reveals that she has a job teaching at an American university.
620* NotAMorningPerson
621* PhenotypeStereotype: Blond, light-colored (probably blue) eyes, ''freckles''. Definitely from the American fleet.
622* ShoutOut: Lexington's subunits, rather than looking like [[FunSize miniature]] versions of herself (as seen with Iona and Takao), look like [[Film/ForbiddenPlanet Robbie the Robot]].
623
624!!New Jersey
625A battleship part of Lexington's detachment North American Fleet. Apparently Lexington's second in command.
626----
627* TheGhost: So far, she has not made a physical appearance beyond communicating with Lexington over the Joint Tactical Network.
628
629[[/folder]]
630
631! Supporting Human Characters
632
633[[folder: Japanese Government and Military Personnel]]
634!!Mitsumine
635Current Prime Minister of the Central District of the three districts that the Fog's blockade has carved Japan into. He's proven far more adept at politics than his former naval career.
636
637* TheChainsOfCommanding: Is really feeling it after becoming Prime Minister. He has expressed a few times how he hates himself for having to make hard-hearted choices but holds out hope they're for the best.
638* FriendlyEnemy: Views Kita as this; while they're bitter political opponents, he still has affection for his former captain.
639* GeniusCripple: By all accounts is a masterful political figure, despite being confined to a wheelchair with a life-support system since he was nearly killed in the Great Naval Battle against the Fog.
640* MachineMonotone: ''Possibly''. He's yet to be voiced by an actor, but his [[PaintingTheMedium speech bubbles]] are shaped like those used for radio communications, so his voice is certainly artificial.
641* NumberOne: Was formerly Kita's XO when they took part in the Great Naval Battle.
642* {{Realpolitik}}
643* ReasonableAuthorityFigure
644
645!!Ryoukan Kita
646Diet member and likely the next Prime Minister of the Central District.
647
648* TheCaptain: Was formerly a JMSDF destroyer skipper, and acquainted with Gunzou's father.
649* ADayInTheLimelight: One of the side-chapters focuses on him and how he knew Shouzou Chihaya before the latter's voyage to America on I-401.
650* FriendlyEnemy: Views Mitsumine as this; while they're bitter political opponents, he still has affection for his former XO. That said, he's not as nice about it as Mitsumine is.
651* HiddenDepths: He might look like he is up to no good and can be quite ruthless at times, but it is later revealed that he holds the Japanese people's well-being in high regard. He is so well-known for this that one person said to go to Kita if they have problems. He also sided with the Army as a way to control them since they became resentful over being ignored in favor of the Navy rather than wanting more power.
652* HonorBeforeReason: Inverted, Kita gives a couple of his old Army colleges a severe dressing-down over the Osakabe fiasco, which had been motivated by the Army's overwhelming desire to do ''something'' after being sat idle since before the Great Naval Battle. After the Iwo Jima disaster, Kita resigns from Office in order to minimize the fallout from the affair rather than weaken the army's position further. Not that his involvement in politics has ended.
653* NoMrBondIExpectYouToDine: Gunzou and his crew are treated to this in episode 3/Chapter 8. During dinner [[FunnyBackgroundEvent (of which only Iori actually eats anything)]] Kita tries to convince Gunzou to return Iona to the Japanese government so they can put a "proper crew" on board. The arrival of Haruna and Kirishima adds some urgency to the discussion, but [[CasualDangerDialogue not the (strained) civility)]].
654* {{Realpolitik}}: Prime Minister Mitsumine and Asst. Secretary Kamikage are his primary opponents in the power struggle within the Japanese government [[spoiler:until Kita resigns to save face for the Army]].
655
656!!Kamikage Ryujirou
657Assistant Secretary to Military Command of Ministry of Defense (later promoted to full Secretary), Kamikage is the government official most sympathetic to Blue Steel. It was his idea to use I-401 to transport the Vibration Warhead data to the USA in the first place, which forms the major plot of the franchise.
658
659* TheChessmaster: Has a lot of assets to move around the board, and these only grow after his promotion. All for Japan.
660* GoodIsNotNice: Is entirely willing to play hardball with political opponents, the Fleet of Fog or Japanese citizens if he believes it is in the best interests of the nation. He is [[MagnificentBastard ''considerably'']] more ruthless in the anime.
661* {{Realpolitik}}: The power struggle between the various parties and regional capitals in the Japanese government is very real. Kamikage, despite his relatively young age, is a consummate player.
662* ReasonableAuthorityFigure: Is the highest-ranking official in the Japanese government to view Gunzou and Blue Steel as assets and not liabilities. Is starting to win the Prime Minister over to his way of thinking.
663* TheStrategist: As part of his job in the Ministry of Defense.
664
665!!Cruz Herder
666One of the United States Marines stationed in Japan before the fog blockade now part of the Japanese Navy as a special forces detachment.
667* BadassNormal: He's yet to engage in combat but interactions with other characters detail his professional reputation as one.
668* DeadpanSnarker: His casual and often irreverent mannerisms contrast sharply with the much more uptight Kamikage, his primary contact, and ally in the Ministry of Defense.
669* OlderThanHeLooks: Given his training and the amount of time confined to Japan, Cruz is probably in his forties. Not that you'd know by looking at him.
670
671!!Daisaku Komaki
672Captain of the Hakugei 3, Japan's latest and greatest submarine.
673* BadassNormal: Becomes captain of the first man-made ship to sink a Fog warship. That it was Haruna and Kirishima ''at the same time'' just makes the victory all the sweeter. [[spoiler:Willing to intervene in the escape of ''Repulse'' and ''Vampire'' into the Pacific also counts given that it could lead to Hakugei's sinking if they were not careful.]]
674* HotbloodedSideburns: An understated, well-trimmed example, but they do go all the way to his jawline.
675
676!!Maruri Hibiki
677->Voiced by: Creator/KanaHanazawa
678
679Former Sonar operator of I-401. Transfers to the ''Hakugei'' because of her experience in Blue Steel.
680
681* AllLoveIsUnrequited: Is still holding a candle for Gunzou. His inability to notice her affection and the ''massive'' guilt he carries from losing Kotono is a big part of why she left Blue Steel and rejoined the Navy.
682* LoveCannotOvercome: Even though she was the first crew member to join the Blue Steel because she was in love with Gunzou, she couldn't handle the risks of being in Blue Steel and left to rejoin the Navy. The fact that Gunzou never got over losing Kotono also played a part in it.
683
684!!Makoto "Osakabe"
685Prime Minister of the Northern District and a Design Child. He is the older brother of Makie Osakabe.
686* ArtificialHuman: Like Makie, he is a Design Child created by Professor Osakabe.
687* CreepyChild
688* DudeLooksLikeALady
689* EyesAlwaysShut: His eyes are always closed. They open when he has a revelation or says something serious.
690* TheLeader: Was genetically engineered to be a capable leader without humans flaws like corruption or greed.
691* TheStoic: Neither is he capable of strong emotions, being engineered to be objective and dispassionate. His concern for Makie and by extension [[spoiler:Haruna, Kirishima, and Maya]] is noted by himself as deeply uncharacteristic.
692* TeamSwitzerland: Is willing to support either the Japanese government or the Fleet of Fog as long as Hokkaido benefits from the alliance.
693[[/folder]]
694
695[[folder:Others]]
696
697!!Makie Osakabe
698[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/img_makie.jpg]]
699[[caption-width-right:200:The Young Genius.]]
700-> Voiced By: Creator/SayuriHara
701
702A young girl living a secluded life in her grandfather's mansion, she is one of the first humans to befriend a Fog Mental Model outside of Blue Steel. In her case, she becomes close friends with Haruna and Kirishima.
703
704It is soon revealed that Makie's ''true'' origins have greater weight in the conflict between the Fog and Humanity.
705----
706* ArtificialHuman: She is one of the few surviving Design Children who were genetically modified to fit a specific need by the Japanese Government in the trying times after the Fog Blockade. In Makie's case, her role was to design a weapon that could be used by Humanity to fight back against the Fog. She succeeded, with the end result being the Vibration Torpedo.
707* ChildProdigy: Helped design the Vibration Torpedo that has the Fog concerned.
708* CompositeCharacter: She gains her older brother Makoto's dependency on special medication to even digest her food in ''Ars Nova''.
709* LittleMissBadass: In the manga, Makie has been taught some basic martial arts by Lawrence. Her first appearance was [[TheWorfEffect kicking Kyouhei's ass]].
710* MoralityPet: Turned Haruna from a war machine into one of the best-developed characters of the manga.
711* MysteriousWaif: She isn't allowed to travel very far from the mansion she lives in. As a result, she hasn't had much contact with too many people.
712* OlderThanTheyLook: Haruna discovers Makie's physical development has been suppressed chemically. She's actually the same age as her brother Makoto but appears to be (and acts) around five years younger.
713
714!!Lawrence Valentine/Toujuurou Osakabe
715https://static.tvtropes.org/pmwiki/pub/images/toujuurouarpeggio_4731.jpg
716
717Makie's overprotective butler. Unknown to Makie, Lawrence is actually [[spoiler:Toujuurou Osakabe, her "grandfather" and creator.]]
718
719In Ars Nova, he is Makie's adopted father and a prominent weapons researcher. [[spoiler:His attempts to defeat the Fog inevitably turns up in failure, largely due to the limitations of humans. He ends up creating Makie in the lab, and with her help, manages to design a torpedo that's capable of defeating Fog ships.]]
720----
721* TheAtoner: As the maker of the Designer Children, the weight of all the young lives that had to be sacrificed to succeed in creating them eventually weighs on his conscience. His pampered attitude towards Makie, one of the few left who survived, reflects his resolve in trying to give her a normal childhood.
722* BattleButler: Although Makie just knows him as Lawrence, secretly he is [[spoiler:[[TheProfessor involved in the creation of Makie and the other Design Children and her unseen 'grandfather']]]].
723* DiseaseBleach: [[spoiler:His hair turned white as he watched most of the design children die in front of him.]]
724* FakingTheDead: [[spoiler:In Ars Nova, he faked his death in an attempt to keep the government from doing things to Makie. While Makie believed he really died, Haruna and Kirishima find out that he was still alive, but bedridden. He does [[KilledOffForReal eventually died]] shortly after meeting the two Fog Mental Models but not before asking them to watch over Makie, after noticing how attached the girl was to them.]]
725* GiveHimANormalLife: What he tried to do with Makie. He mostly succeeded, until the Army [[spoiler:tried to have Makie assassinated, that is]].
726* HeroicSacrifice: Stopped the Army from assassinating Makie, but it ends with him being shot in the back by a soldier and falling to his death.
727* OmnidisciplinaryScientist: [[spoiler:In Ars Nova where he was a weapons researcher and geneticist. Unlike in the manga where he was only a geneticist.]]
728
729!!Saori Chihaya
730
731Mother of Gunzou Chihaya and wife of Shouzou Chihaya. She is currently under house arrest, ostensibly for her own protection.
732----
733* DeathByAdaptation: Hinted to have committed suicide in the ''Ars Nova'' anime.
734* GildedCage: She's under house arrest in a mansion that's heavily monitored by security cameras. The place is lovely with a huge greenhouse/aviary in the back where she can still do her research on birds and has a domestic staff to handle all the chores, but she's still banned from leaving the property.
735* ShipperOnDeck: Ships Takao with her son Gunzou.
736
737!!Kotono Amaha
738[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/kotono_amaha_6.png]]
739 [[caption-width-right:350:]]
740The childhood friend of both Gunzo and Sou, and valedictorian of their class at the Maritime Institute. She died when the test facilities of the institute caught fire, but her remains have never been found. It was her death that fueled Gunzou's dissatisfaction with the current state of the world, which eventually made him accept Iona's offer of partnership.
741
742[[spoiler:However, there are increasing signs that she might have been one of Yamato's mental models to begin with, sent to live among humanity to satisfy whatever curiosity the supreme battleship had for humans in general. Notably, her death occurs at about the same time Yamato returns to the fleet with a Mental Model. Chapter 116 [[{{Pun}} clears the waters]] regarding her 'death' and the mysteries surrounding her.]]
743----
744
745* TheAce: Her reputation among Gunzo's schoolmates. Sou even calls her "the wall that Gunzou could not overcome".
746* ADayInTheLimelight: Chapter 54.5 has her as the viewpoint character, revealing more about her relationship with Gunzou and Sou, and her involvement with the Admiralty Code and Yamato before the Facility No. 4 Fire.
747* ChildhoodFriend: To Gunzou and Sou. However ...
748** ChildhoodFriendRomance: She wants to pursue this with Gunzou, but he was either ObliviousToLove or didn't acknowledge her obvious affection for him, much to her frustration.
749* CynicismCatalyst: Her [[spoiler:supposed]] death was the prime motivator for Gunzo to change the status quo of the world, and ally with Iona.
750* EarlyBirdCameo: Appears in Gunzou's flashback in Chapter 1 before Chapter 23 properly introduces her.
751* IdenticalStranger: She has the exact same appearance as Yamato's Mental Model. [[spoiler: This is because Yamato copied her appearance to create the first Mental Model. The fact that Kotono has 'normal' eyes when all the other Mental Models have lens-like eyes is the biggest hint.]]
752* PosthumousCharacter: Died in an accident two years prior to the start of the story, however...
753** NeverFoundTheBody: ... they never found her body after the fire that killed her.
754** [[spoiler:Chapter 116 sheds some light on this, revealing that she did not die in the fire but had become the Fleet of Fog's superordinate program in the absence of the Admiralty Code after Yamato retrieved her from Facility No. 4. Whether or not she is still human remains to be seen...]]
755
756
757[[/folder]]

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