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Visual Novel / Chaos;Head

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Whose eyes are those eyes?

"If you are God and the delusion becomes reality.
About what kind of the noids you get?
Is it the sensual world? The despotic society?
The destructive sanctions?

Chaos;Head is a Visual Novel and the first entry in the Science Adventure Series starring Takumi Nishijou, an Ordinary High-School Student and raging otaku who lives in the Tokyo ward of Shibuya.

Takumi lives in a steel shipping container on the roof of a building, converted into a small apartment. He spends most of his time at home, either playing the fictional MMORPG Empire Sweeper Online (in which he is Neidhardt/Knight-heart, the most famous and powerful player ever) or watching anime. He has over one hundred "waifus" (figurines), his favorite being the character Seira from the fictional anime Blood Tune; he frequently affirms his love of 2-D women and his hatred of 3-D women. He is a borderline hikikomori, having crafted a "minimum attendance shift chart" to ensure that he can attend school as little as possible while still graduating.


When the story begins, he is only known to have even semi-regular interactions with a few people: his bratty younger sister Nanami, his ESO guild partner Grim (whom he speaks to online), the school's resident playboy Misumi, and Seira, whom he has become deluded into thinking exists, to the point that he can hear her talking and interact with her as a kind of muse. Beyond these, he seems to be quite afraid of interacting with people, exhibiting classic signs of social phobia (such as extreme discomfort with making eye contact).

This routine life is shattered when, upon coming home one day, he hears the sound of something being pounded into concrete. Looking over, he sees a pink-haired 'demon girl', pinning a body to an alley wall with cross-shaped stakes. The girl turns, smiles, and inexplicably calls him by name, at which point he runs. This scene is the third in a series of bizarre, gruesome murders called the "New Generation" murders. Takumi initially wants nothing to do with this, but a mysterious user known as 'Shogun/The General' begins stalking Takumi, and seems intent on dragging him into the whole mess. Takumi then realizes that this mysterious man is working with the demon girl. Meanwhile, the Noah OrganiZation Of Medical Instruments, or the NOZOMI Group, puppeteers the New Gen incidents for their hidden, sinister purposes. When the bodies continue to pile up, a whole bunch of weird super-powered girls show up and get closer to Takumi, a conspiracy between NOZOMI and several powerful organizations surfaces, and, in the center of it all, Shogun/The General and the Demon Girl make their move, Takumi finds himself forced out of his solitary lifestyle, and into a mystery encapsulating all of Shibuya.


The game has a unique "delusion trigger" system where the player can, at certain points, opt to view one of Takumi's daydreams/delusions. The player is given a choice between a good delusion (happy, humorous, or H in nature) or a bad delusion (paranoid, violent or tragic in nature). For example, when Nanami visits and berates Takumi for not ever calling home, she takes a swig of soda without asking; the good delusion brings up the concept of an Indirect Kiss, prompting Takumi to compare it to a hentai game scene (at which point it almost does turn into one), and the bad delusion involves Nanami taking a swig of coke, then gagging and coughing up blood and dying. Takumi wonders why that happened, then remembers that he poisoned the coke beforehand. Typically these delusions have no direct influence on the story itself (Takumi simply snaps out of it and the scene continues from where it left off), but seeing certain ones triggers flags that can influence which ending you see. Many of these delusions involve blatant reference to anime (or eroge) tropes, as well as surprisingly clever foreshadowing.

The game was made into an anime by Madhouse for the fall 2008 season, with an Xbox 360 updated rerelease titled Chaos;Head Noah released in February 2009.

A fan translation patch for the game exists, but was taken down from the main site due to an agreement with Nitroplus, which unfortunately led to Development Hell as there's no localized version of the game yet, in fact no news after the "agreement" between the original fan translators and Nitroplus were given.

The game is the predecessor to Steins;Gate and Robotics;Notes.

A Sequel, Chaos;Child, was released for the Xbox One in 2014, with different cast of characters in the same setting of Shibuya. The anime adaptation started airing in January 2017. An official English version was released on Steam in January 2019.

Chaos;Head provides examples of:

  • 11th-Hour Superpower: When Takumi recovers from Genichi's attempt to destroy his whole entity, he has come in terms with being a delusional existence. This means that he can treat himself as one, which in turn makes him indestructible.
  • 90% of Your Brain: Norose's reasoning for how the abilities of Gigalomaniacs work.
  • Action Girl: All of the gigalomaniac girls, whom are able to summon Di-swords and use them to battle against Nozomi.
  • Adaptation Distillation: It takes around 25 to 30 hours to finish the game (or at least the common route which is the canon events of the story). The anime adaptation, on the other hand, is little short of six hours long. It hardly takes a genius to figure out how much of the story was left out in the adaptation.
  • Affectionate Nickname: Rimi always calls Takumi "Taku." This is to differentiate between him and the real "Takumi", aka Shogun.
  • All Just a Dream: Some of the positive delusions try to provide a Happy Ending by making it so that all the horrifying events were this. Takumi even lampshades the cliche in the first positive delusion of Chapter 7.
    "I couldn’t possibly have anticipated the it-was-all-a-dream twist. But miraculously, there was nothing unpleasant about it. I had a surprisingly easy time accepting it when I heard it had been a dream. And when I thought about it harder, things like Di-Swords and making delusions real were simply impossible."
  • Amplifier Artifact: Di-swords serve as these, acting as a conduit needed for Gigalomaniacs to properly real boot their delusions. Takumi is the only person who has been shown to be able to real-boot without one, which is heavily implied to be because he's channeling the power of the already awakened Gigalomaniac, Shogun.
  • Angsty Surviving Twin: Yua. Her twin sister Mia died in the "Group Dive," the first New Gen incident. Yua then launches her own investigation into Mia's death. She suspects Takumi is involved in the New Gen murders and pretends to befriend him under the ruse of being a girl otaku. When Takumi finds out her true intentions, Yua doesn't take it well.
  • Annoying Younger Sibling: Nanami, who constantly nags and teases Takumi about his Otaku habits and messy home.
  • Arc Words: "Whose eyes are those eyes?" ("Sono me, dare no me?") note  It actually reaches memetic stays in-universe, becoming associated with the New Gen murders.
  • Artificial Human: ”Takumi” is a delusion given human form and artificial memories.
  • Band of Brothers: Takumi and his guild partner Grim have this relationship in the MMO they play, always trying to support each other and jokingly teasing each other. Subverted as Grim turns out to be the one behind most of the New Gen killings, and manipulating Takumi. And a woman.
  • Beethoven Was an Alien Spy: Albert Einstein was a Gigalomaniac.
  • BFS: The Di-Swords. Humorously deconstructed when Takumi buys a fake one- and laments how utterly stupid he looks having to drag the thing around in full view of everyone.
  • Big Bad: The mysterious old man in a wheelchair, known only as 'Shogun/The General', is the one stalking and haunting Takumi Nishijou, and is using the Demon Girl to perpetrate the New Gen murders gripping Shibuya, all for some hidden purpose. Shogun is eventually revealed as the real Takumi, and his malevolence is all in Takumi's head. Both he and Rimi are innocent, and trying to train Takumi to fight the real villain- Norose Genichi, president of the NOZOMI group who created the super-powered Gigalomaniacs through Mind Rape and used them to power Noah II. He masterminded the murders with the goal of psychologically tormenting Takumi into awakening as a gigalomaniac, then extracting his CODE sample to perfect Noah II and use it to essentially control the world through Mass Hypnosis.
  • Bittersweet Ending: The True Ending (called Ending AA in the original game, called Blue Sky in Noah) is slightly more sweet that bitter. Although the real Takumi is dead, and Sena's father saved Sena at the cost of his own life, delusion Takumi finally realizes and confesses his love for Rimi and so does she, all of the other gigalomaniac girls managed to survive, and the world was saved. That being said, the committee is still out there...
  • Bland-Name Product: Deluoode for Google, and We-Key Pedophilianote  for Wikipedia. There is also Taboo! (Yahoo!), Slavecard (Mastercard), Grouchosoft Mindorz X Perfect (Microsoft Windows XP Premium), three different McDonald's spoofs (McDeinald's, McDynald's and WacTiKald's), Asos (Asus)... there are easily a half dozen of these in each chapter of the game, and the anime adds in even more.
    • MewTube (YouTube) and @-Channel (2-Channel), both of which would later resurface (and play major roles) in Steins;Gate.
  • Book-Ends: The story starts and ends with Takumi lying in the Scramble Crossing of an earthquake ruined Shibuya with Rimi about to murder him.
  • Break the Cutie: Every single heroine and Takumi has gone through this at some point or another, as being mentally traumatized is one of the basic requirements to obtain a Di-Sword and become a Gigalomaniac.
  • Calling Your Attacks: Subverted; in the only instance, the character can't think of a name to use.
  • Can't Live With Them, Can't Live Without Them: Takumi's attitude towards "3-D" girls, specifically his Unwanted Harem. He claims to despise them and want nothing to do with them, but clearly begins to care for them as the story goes on, and when Nanami and Rimi go missing, he starts breaking down.
  • Can't You Read the Sign?: @chan has a "20 years or older" rule, clearly seen every time Takumi (17) is reading it.
  • Captain Ersatz: The in-universe fictional character Darth Spider is clearly one of Darth Vader.
  • Cast from Lifespan: Any Gigalomaniac that overuses their powers risks severe damage to themselves. Shogun is very far along in this process, thanks to constant use of his powers along with his genetic disorder, and the creation of Takumi put him in a coma for a year and a half.
  • Character Blog: Part of the website for Chaos;Head Noah features blogs by each of the six main girls and one for Takumi.
  • Chunky Salsa Rule: Subverted. When Takumi learns to heal, he can grow a new head as easily as any other body part.
  • Clap Your Hands If You Believe: When a Gigalomaniac finds their Di-Sword, they gain the ability to Real-Boot delusions. This forces others to perceive the delusion through sending antiparticles into the dead spot of their brain, and this shared recognition gives the delusion a physical form.
  • Clones Are People, Too: Shogun considers Takumi to be a real person, just one who was born differently, and he wants Takumi to live on after his imminent death. In ending AA, Rimi finally agrees with Shogun and spares Takumi, despite the latter having become a Death Seeker.
  • Cold-Blooded Torture: A form of Chinese water torture was done to Ayase in her backstory.
  • Combination Attack: Gigalomaniacs can work together to Real-Boot delusions, resulting in more powerful effects.
  • Continuity Cameo: The name Neidhardt/Knight-hart is mentioned in passing in Steins;Gate.
    • The diagrams showing how to control a person's five senses are also used as a blueprint of sorts when Kurisu in Steins;Gate attempts to build a Mental Time Travel machine.
    • Neidhardt's ESO friend Geji-nee is referenced in Steins;Gate, where she coordinated an attempt by various @channers to locate the IBN 5100.
  • Cooldown Hug: Rimi delivers one to Takumi when he starts having a breakdown on a middle of a road.
  • Counter-Attack: In a fight between two Gigalomaniacs, they can turn a delusion against the original user.
    • When Sena and Rimi clash over Takumi's fate, Sena fakes out Rimi by acting like she's going to slash her with her sword, only to return it to a mere delusion so it passes through her as a feint, then real-boots it again to try and kill Takumi. Rimi counters by implanting a delusion of Sena stabbing her father into her mind, and nearly causing her to fall off the roof as a result.
    • When Suwa tries to catch Takumi in a delusion to keep him from defending himself, Takumi turns it around on him, forcing Suwa to kill himself.
    • When Norose uses a delusion that destroys Takumi's sense of himself as a human being, Takumi eventually embraces it, using the delusion to get around No-Self Buffs.
  • Cruel and Unusual Death: The New Gen murders feature numerous examples of these, such as a guy who was killed by having his blood drained and a guy killed by scooping his brain out with a spoon. However, the 2nd incident easily takes the cake after the circumstances of the murder. Nurse Hazuki, who together with Suwa is the culprit behind all these cases, restrained the unlucky guy on a operating table and proceeded to vivisect him without any sort of anesthesia. And that isn't even the worst part. Remember that an unborn child was inserted into his body-that's Hazuki's baby of whom Suwa is the father. After slicing the victim open, she proceeded to cut her own womb open, rip the fetus out and shove into that guys stomach. And she did this without any anesthesia, all while sprouting an Slasher Smile par excellence and mumbling stuff in some sort of trance.
  • Cute and Psycho:
    • Kozue is an overall Nice Girl with some disturbing and murderous tendencies, often offering to kill anyone whom she perceives as hurting any of her friends.
    • Hazuki and Suwa, meanwhile, are a Jerkass Serial Killer duo with a veneer of civility.
  • Cute Clumsy Girl: Kozue in a nutshell.
  • Cute Mute: Kozue stays silent in her initial appearances. Then subverted when she starts speaking telepathically to Takumi.
  • Department of Redundancy Department: Serious-mode Yua has a habit of emphasizing sentences by repeating them several times in a row with slightly different phrasings.
  • Deus Sex Machina: Many of Takumi's positive delusions are about one of the girls randomly coming on to him for whatever reason.
  • Diabolus ex Machina: Route B is one huge ever-expanding example of this, featuring among other things, a Despair Event Horizon (Sena) and Body Horror And I Must Scream (Kozue), all of which culminates in a Let Them Die Happy Mercy Kill Just Before the End for a Shoot the Shaggy Dog ending. And the reason why it all happened was that Kozue got knocked unconscious during the earthquake.
  • Don't Look at Me!: Takumi has three notable instances of using this. The first two times are near the end (or beginning), the initial one being directed towards a mysterious gaze while the second one is for Rimi. The third one is addressed at pretty much everyone around him after he was set up as an ESP. He never actually says them out loud, but as part of his inner monologue.
  • Downer Ending: Endings A and B. In A, Norose is stopped and his machine destroyed, but Takumi chooses to let Rimi kill him so Shogun can live a little longer. In B, the same thing happens but from Rimi’s perspective.
  • Dysfunction Junction: It's pretty much a given that the Gigalomaniacs are pretty broken at least, since their powers come from their psychological issues.
  • Earn Your Bad Ending: Ending B. It can only be done on a second playthrough, and unlike either Ending A or Ending AA, it can only be accomplished by making a specific decision or Delusion Trigger at 11 points in the game, and you're never told which ones are which. This results in a recut of Ending A from Rimi's perspective, which is even more heartbreaking than the normal bad ending.
  • Emotionless Girl: Ayase.
  • Evil Phone: At one point, Takumi gets a phone call from an out-of-service number, where he hears a creepy children's song followed by ambulance sirens and a near-deafening beep. It's later revealed to be the sounds of Noah II starting up.
  • Eyes Always Shut: Detective Ban's right eye is almost always closed, giving him a Columbo-esqe appearance.
  • Fanservice: Some of the positive delusions Takumi is having qualify for this.
  • Fan Disservice: Some of the negative delusions Takumi has.
  • Fake Band: Phantasm. Their lead singer is FES, also known as Ayase Kishimoto.
  • Fictional Video Game: Empire Sweeper Online, an MMO that Takumi plays.
  • Finger in the Mail: Happens when Nanami gets kidnapped, although instead of a finger, it's a whole hand that gets sent to Takumi.
  • First-Person Perspective: In the visual novel. All of the visual novel is first-person; Takumi sees everything the camera shows, including scenes where he doesn’t appear like the Ban and Suwa scenes or the Genichi scenes, though it takes him some time before he realizes this and accesses the knowledge.
  • Flash Forward: The series starts with one.
  • Formulaic Magic: fun10 × int40 = Ir2, sent to Takumi by Shogun in a message, is the equation Takumi discovered in elementary school and the basis of the Noah Project and is referred to as more revolutionary than e = mc2. What the equation actually signifies is never explained in depth.
  • Geek: Takumi, to an unhealthy extreme. He much prefers 2D girls to real women, and would rather not mingle with real people. Yua acts like one to get Takumi to trust her.
  • Girl with Psycho Weapon: The entire core female cast is a Dysfunction Junction, and they all come to wield Di-swords.
  • Go Mad from the Revelation: Sena's mother was secretly used as a test subject for creating matter from delusions artificially. Since her second child and Sena's little sister mana died shortly after birth, they created a new baby from artificial delusions and gave it to her. Sena's father was against turning her into a guinea pig, but also didn't want her to realize that her child had died, so he reluctantly approved. The experiment continued for several years, until it was decided that enough results were gathered from it and it will be halted. Sena (who didn't know about the experiment) unfortunately happened to be there when they turned the machines off, causing her mother to freak out upon realizing she's been carrying a corpse and proceeded to tear at her face, eat her child's corpse, and stab her own eyes out with a pair of scissors. All while Sena could do nothing but watch.
  • Government Conspiracy: The Committee of 300. While they were not directly behind the events (it was Norose and a couple of traitors from the committee), they still had a fair few companies and organizations working towards their aims.
  • Gratuitous English: "New Gen", the name given to the bizarre and gruesome string of murders, and a few others.
  • Hair Colors: Fifty-fifty split - Rimi, Kozue and Ayase have them, while Yua, Sena, and Nanami have more normal blonde and black shades.
  • Handsome Lech: Takumi's best and Only Friend Misumi is always bragging about the many girls he gets with, and shows interest in nearly all the girls Takumi encounters.
  • Harmful to Minors: Sena and her sister were used as guinea pigs in experiments by NOZOMI.
  • Healing Factor: Subverted. Gigalomaniacs can alter reality, but they can't use their powers to heal. This is why Shogun cannot heal himself and is doomed to die. Eventually, Takumi learns how to do this.
  • Heroic BSoD: Takumi has two during the course of the story. The first is after chapter 6, when he is tricked into believing his sister is dead. The second is after the revelation that he's an Artificial Human.
  • Hospital Hottie: Shino. Also a Meganekko, to an extent.
  • How We Got Here: The story starts with Takumi lying in a ruined Tokyo street. The Demon Girl creates a Di-Sword and kisses him just before she stabs him. He has just defeated Norose and was blasted outside by the force of his machine, which caused an earthquake that destroyed Shibuya. He begs Riku to kill him so the real Takumi, Shogun, can live a little longer while he dies as a mere clone. Subverted in the AA ending, where the sword wasn't Real Booted, because Rimi decided to save Takumi instead.
  • Image Song: Each heroine has her own Image Song that plays during the credits of her respective route in the Xbox 360 version.
  • Imaginary Friend: Seira, from Blood Tune, is this to Takumi. She is also not the best one, as she frequently encourages his unhealthy habits and retreating from reality, then insults him whenever he does begin to connect with the outside world.
  • Imagine Spot: Defines Takumi's 'delusions', but it seems as though he doesn't remember them. Some might go into Daydream Surprise territory, except they're obvious to the audience, particularly because you have to trigger them yourself in the game.
  • Interrupted Suicide: Ayase. Takumi's first conscious use of his delusionary abilities in the game is to create a flowerbed which breaks her fall after she attempts suicide by jumping off the roof of the school. And later on, Takumi himself gets interrupted multiple times when he tries to off himself, once by an illusion of his sister, then by Shogun, and then Rimi herself decides not to kill him like he requested.
  • It's a Small Net After All: Averted- Takumi encounters random comments, spam e-mail, and useless search results in the process of finding whatever he is looking for at the time.
  • Lighter and Softer: Chaos;Head Love Chu Chu, a true Unwanted Harem romantic comedy version that's actually a sort-of sequel to the main series of events but is free of the blood, gore, and overall horror that the original is known for.
  • Little Sister Heroine: Nanami. The way the game works means that as with the other female main characters, you can trigger certain 'delusion' events about her that occur only in Takumi's head, but that he doesn't control. Several 'delusion' events play up this angle, such as with the indirect kiss scene. Of course, she is technically not his real sister, as he is a clone of the real Takumi, Shogun.
  • Loners Will Stay Alone: Takumi is practically the stereotype for this, complete with an obsession for online gaming, and imaginary wives. He is forced out of it, in circumstances he really does not enjoy at all.
  • Lotus-Eater Machine: At the end of route B, Takumi imagines himself in a harem with the heroines. Takumi didn't escape it.
  • Manic Pixie Dream Girl: Takumi hopes that Yua will become this to him, helping him get out of his shell.
  • Meaningful Name: The name 'NOZOMI' is Japanese for 'Wish', which refers to them being able to grant the wishes of everyone in the world via Noah II's delusions to give everyone a happy life and prevent any further war.
  • Mega-Corp: Noah OrganiZation Of Medical Instruments, or NOZOMI, owns several other companies, notably the one that sells the Gero-froggy/Hoppy the frog figures, and is the main enemy faction that leads a conspiracy surrounding the New Gen murders.
  • Meganekko: Yua, most of the time.
  • Memetic Mutation: Applied. After the release of the fourth New Gen murder, which had "Sono me, dare no me?"/"Whose eyes are those eyes?"/"Those eyes... whose are they?" written in blood, the entire city ended up repeating it. It soon spreads to message boards, forums, t-shirts, and even as a Verbal Tic in everyday conversation. This is Played for Drama, as the player is firmly reminded how disgusting it is that these people are effectively making a spectacle of a real tragedy with real victims.
  • Mind Rape: Most of the delusions that Noah II causes are psychological attacks, so this is to be expected.
  • Mind Screw: With Takumi leading the narrative, not only does he not have any idea what's going on, the audience doesn't know much more than he does.
    • This happens from a gameplay perspective as well. Choosing a delusion trigger will show a flash of images, followed by the screen going slightly blurry, as a sign of Takumi having a delusion. As the game progresses, these indications won't always show up when a delusion is in progress; the player will know only after the game cuts them off in the usual manner. To make things even more confusing, delusion triggers sometimes trigger real events to happen to Takumi.
  • Multiple Endings: Three ones in the main game (Ending A is the Common Route Ending, Ending B is a bad ending, Ending AA is the True Ending). There are 6 added routes and endings in the Noah version of the game, each one tied to one of the main girls of the cast, and all must be completed along with the Common Route and Route B in order to obtain the True Ending in that version.
  • No-Self Buffs: Gigalomaniacs can't heal injuries with their powers. This is because their powers don't allow them to ignore the pain their body is telling them they're experiencing. This is subverted when Takumi creatively figures out to circumvent this by using a delusion to null his sense of pain, as well as remaking his body to be one similar to an Amoeba that can take any shape so he can easily regenerate.
  • Otaku: Takumi. Specifically of the Anime sort, though he really likes his MMORPG.
  • Powered by a Forsaken Child: Creating a Di-Sword for the first time requires a Gigalomaniac to undergo severe psychological trauma. By extension, the perfection of Noah II requires creating Gigalomaniacs and taking samples from them.
  • The Power of Friendship/The Power of Love: Takumi sees his six friends praying for his success and safe return while undergoing a delusion attack, which helps motivate him to turn it around.
  • Psychic Link: Kozue uses this to communicate telepathically. It's stated that somehow it is entirely different because it runs off the power of delusions.
    • Takumi and Shogun have one as well, mainly because they technically are the same person (the former being a delusion clone of the latter).
  • Rapid Aging: Using the power of delusions apparently causes one to age faster. This is only relevant to Shogun, who has a genetic disorder causing him to age faster. As a result, he's almost dead of old age at the start of the story at about 17 years old.
    • According to the sequel, Chaos;Child, it's heavily implied that this is the same illness that afflicts the Hekiho Academy students, and that the rapid aging is a symptom of the disease being cancer specifically.
  • Serial Killings, Specific Target: Played with, as the ultimate target of the New Gen murders, the victims of which number in the double digits, is not someone the culprits aim to kill specifically- rather, they seek to use the killings to psychologically torture Takumi Nishijou into awakening his Gigalomaniac powers, and then extract his DNA, to power Noah II and Take Over the World.
  • Serious Business: Do NOT mess with Sena's popsicle.
  • Shared Mass Hallucination: One of the central ideas, but it runs on the idea in reverse: if you can get more than one person to see the same thing (real or not), it becomes real. Whether it's explained as magic or science depends on the character given the explanation, although the story focuses more on the scientific one.
  • Shout-Out:
  • Show Within a Show: Blood Tune. All the audience really knows about it is lead character Seira, who Takumi is deluded enough to see talking to him.
  • Slasher Smile: Characters sport them frequently in Takumi's bad delusions. Norose starts sporting these frequently as well after he's revealed to be the Big Bad.
  • Split Personality: Takumi starts to think he had one that was responsible for the New Gen killings. Yua in particular thinks that Shogun is this. He was completely wrong- he is actually a clone of Shogun, and the killings were done by someone else.
  • Spoiler Opening: The gradual reveal of the different Gigalomaniacs throughout the story isn't quite as exciting after you see all of them except for Takumi and Norose themselves holding their Di-Swords in the opening.
  • Sword of Plot Advancement: After Ayase/FES gives Takumi a cryptic offhand comment about Di-swords, he starts searching for it, if only to gain some security in his current situation, wherein someone may or may not want him dead.
    • In a more literal sense, all of NOZOMI and Shogun want Takumi to awaken as a gigalomaniac and in turn get his sword for different reasons, so he literally needs the sword in order to progress to the endgame of both their plans, which he eventually obtains.
  • Taking the Bullet: Sena's father, Hatano to protect Sena from getting shot by Suwa.
  • Technobabble: Most of Takumi's encounters with Sena result in her explaining something about Gigalomaniacs in this manner. Takumi doesn’t understand it at first, and labels her a Conspiracy Theorist spouting off tinfoil-hat theories.
  • Theme Twin Naming: Yua and Mia.
  • This Is Reality: Referenced rather frequently, but most often by Takumi himself whenever he snaps out of his delusions.
  • Tomato in the Mirror: Takumi is actually a delusion of...himself. The other him being what the protagonist Taku knows as "Shogun".
  • Trademark Favorite Food: Sena loves Crunchy-Kun popsicles.
    • There's also Momose and her pronounced fondness for Japanese sweets.
  • Tsundere:
    • Sena. She even has a Shout-Out to Shana.
    • Nanami crosses this with Annoying Younger Sibling and Little Sister Heroine. She often mocks her brother for being a sloppy recluse, but shows herself to truly love him when she gets captured- she calls his name and wants to see him again.
    • In one of his positive delusions, Takumi gets a call on his phone from an (unnamed and otherwise nonexistent) incredibly generic Tsundere love interest, whose every second sentence is "It's not that I like you or anything".
    • I Love Tsundere Music Player (Extras) - "I'll let you listen! But only because it's you."
  • Twin Switch: The game and drops a lot of hints that the girl we know as Yua was actually her twin, Mia. The incident that gives her her Di-Sword has her conclude that it doesn't matter which one she is.
    • Her character route in the [[Noah Updated Re-release version of the game confirms that they indeed switched places right before the incident. Because Mia suddenly didn't feel like attending an otaku meeting she was actually looking forward to (she's quite moody, to be exact), she convinced Yua of switching clothes so she can attend the meeting in Mia's stead.]]
  • UltimateGamer386: The protagonist himself.
  • Unreliable Narrator: The start of the story is entirely from the perspective of the delusional main character, and he's not sure what's going on.
    • Everyone is an Unreliable Narrator in this show. Both the pseudo-scientific and pseudo-religious explanations are likely the results of each character's own delusions: Sena, as the main source of technobabble is the occupation of her father, which ties in directly to her incredibly traumatizing childhood; Ayase, who is the main source of the pseudo-spiritual explanation, is shown reading a book in the hospital entitled "The Knights OF Gradiale," her name for the Di-Sword wielders.
  • Unwanted Harem: While the main cast set up consists of Takumi and the six lead girls, and official art usually depicts Takumi with them in a way reminiscent of a harem, none of them are actually after him romantically. Rimi does eventually fall in love with him though and vice versa, as show n in the true ending.
    • When Takumi is mind broken by Suwa in the B Ending of the game, he plunges himself into a delusion of having a romantic comedy-like relationship with the girls at school.
  • Updated Re-release: Chaos;Head Noah, for the XBox 360. Changes to the game include adding routes for each of the girls and changing it to widescreen. They also changed the route system; you now have to finish each route to unlock the True Ending, which can then be directly selected from the Main Menu.
  • Virgin Power
  • Wrong Genre Savvy: Sometimes Takumi thinks of himself as a character in an RPG.
  • Younger Than They Look: Shogun is a high school student. Takumi is a year and a half old.
  • Zettai Ryouiki: Rimi and Kozue.

Whose eyes... are those eyes?


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