History Manga / HekikaiNoAion

** [[http://mangafox.me/manga/hekikai_no_aion/v08/c030/13.html Used for Tatsuya and Seine to talk to Tsukasa]] for midnight sneaking out of the house.

* SchoolFestival

** Then played with; ShrinkingViolet but exotic mermaid and human but BrokenBird witch. Though Tatsuya shows more attraction to Seine, he still can leave [[spoiler: Sheila]] alone when she's in trouble...

** Tatsuya gets too excited after [[spoiler: seeing a 4-year-old and a 8-year-old Seine within her dreams]]
* CrossOver: With {{Karin}}

** Chapter 4: Poised and stabbed with a glass bottle

* GratuitousForeignLanguage: The mermaids (and Shizuki, sometimes) use some greek words.

* ImagineSpot: Tsukasa, every time someone says they are living with Tatsuya because he picks them up, he has a imagine spot of them as cute, pitiful homeless [[AlwaysFemale girls]] under the snow.

* GirlInABox: Seine, before moving to Tatsuya's house [[spoiler: used to live in a cardboard box!]]

Tatsuya Tsugawa's parents die in a car accident. One week after the accident, he has inherited millions of yen and is now starting high school. He now tries to follow his father's last words about being a man of high caliber. A little while later, Tatsuya tries to rescue a girl, Seine Miyazaki, from being bullied. She coldly rebuffs his attempt and claims that she likes being bullied. He still tries to help her despite the fact she told him to leave her alone. It turns out that Seine is immortal, and she kills parasitic bugs that control humans with a snake named Aion that devours them.

Tatsuya Tsugawa's parents die in an accident. One week after the accident, he has inherited millions of yen and is now starting high school. He now tries to follow his father's last words about being a man of high caliber. A little while later, Tatsuya tries to rescue a girl, Seine Miyazaki, from being bullied. She coldly rebuffs his attempt and claims that she likes being bullied. He still tries to help her despite the fact she told him to leave her alone. It turns out that Seine is immortal, and she kills parasitic bugs that control humans with a snake named Aion that devours them.

''Hekikai no [=AiON=]'' is a 2008 fantasy and horror manga by YunaKagesaki, who is also known for ''{{Karin}}''. The series is serialised by Monthly Dragon Age. The manga finished with 11 volumes in October 14th, 2012. Three volumes of the series was translated in english by TokyoPop under the name ''Aion'' before it eventually closed its North American publishing division.

''Hekikai no [=AiON=]'' is a 2008 fantasy and horror manga by YunaKagesaki, who is also known for ''{{Karin}}''. The series is serialised by Monthly Dragon Age. The manga finished with 11 volumes in October 14th, 2012. Three volumes of the manga was translated in english by TokyoPop under the name ''Aion'' before it eventually closed its North American publishing division.

''Hekikai no [=AiON=]'' is a fantasy and horror manga by YunaKagesaki, who is also known for ''{{Karin}}''. Three volumes of the manga was translated in english by TokyoPop under the name ''Aion'' before it eventually closed its North American publishing division.

The manga ended with 11 volumes in October 14th, 2012.

* TheBigDamnKiss: [[spoiler: Tatsuya to Seine in chapter 39]]. Also counts as ForcefulKiss.

* EveryoneCanSeeIt: Well...everyone but [[ObliviousToLove Tatsuya]] can see that Yoshiyuki is in love with him. He's just that dense

* InnocentFanserviceGirl: Seine, being an EmotionlessGirl who consideres herself as a monster, is not bothered if somebody sees her shirtless or [[ThanksForTheMammary grabs her chest]] and she even takes her clothes up once to show Tatsuya that her wounds are healed. Of course, even if she doesn't freak out, Tatsuya does.

* ImagineSpot: Tsukasa, everytime someone says it's living with Tatsuya because he pick them up, has imagine spot of them as cute, pitiful homeless [[AlwaysFemale girls]] under the snow.
** Tatsuya also has one of Seine in [[http://www.mangareader.net/1646-52649-12/hekikai-no-aion/chapter-11.html a cute two-piece swimsuit]] after hearing they're going to the pool.
*** ImagineSpotting: and Yuzuki seems to be watching it.

* LaserGuidedAmnesia: Everybody who had a Mushi taked off by Seine doesn't remember anything about their hatred to her [[spoiler: as long they get to kill her before The Mushi was taken off]].

* MeetCute: Tatsuya first saw Seine after she steps on his money when a couple of bullies throw it to the ground.

* PervertedSniffing: Sheila smells Tatsuya's necktie

* SeizaSquirm: [[http://mangafox.me/manga/hekikai_no_aion/v08/c030/13.html Used for Tatsuya and Seine to talk to Tsukasa]] for midnight sneaking out of the house.

* ShipperOnDeck: Minagi seem to like shipping Seine with Tatsuya. It helps that it's obvious the guy is really in love with the girl and she wants to help him.

The manga ended with 11 volumes in July 9, 2012.

* TheBigDamnKiss:
** [[spoiler: Tatsuya to Seine in chapter 39]]. Also counts as ForcefulKiss.

* BittersweetEnding: [[spoiler:Tatsuya and Seine get the chance to have a RelationshipUpgrade, the town is saved from being sunken into the sea, Enati's threat is avoided and Sheila gets to have a genuine mermaid lower body (sacrificing her human legs and return to land); Seine gets to kill two of the seven mermaids after hearing Simon's history through Ariel and seems to give up her revenge, but after the years, Tatsuya dies for old age and Seine is seen standing besides his grave, just as young as always]].\\
\\
[[spoiler:But then Tatsuya's soul seems to come for Seine as she gives up to Aion and both are TogetherInDeath, and Aion returns to it's true owner, Sheila, returning her her voice]] making the end a little more sweet but still a TearJerker.

* EveryoneCanSeeIt:
** Well...everyone but [[ObliviousToLove Tatsuya]] can see that Yoshiyuki is in love with him. He's just that dense

* InnocentFanserviceGirl:
** Seine, being an EmotionlessGirl who consideres herself as a monster, is not bothered if somebody sees her shirtless or [[ThanksForTheMammary grabs her chest]] and she even takes her clothes up once to show Tatsuya that her wounds are healed. Of course, even if she doesn't freak out, Tatsuya does.

* ImagineSpot:
** Tsukasa, every time someone says it's living with Tatsuya because he pick them up, has imagine spot of them as cute, pitiful homeless [[AlwaysFemale girls]] under the snow.

* MayflyDecemberRomance: Tatsuya one-sided crush on Seine, who is immortal.
* MeetCute:
** Tatsuya first saw Seine after she steps on his money when a couple of bullies throw it to the ground.

** Hilariously "enforced" by Seine to keep Tatsuya off her neck.

* WhamEpisode: Volume 10. ''The whole Volume 10''. [[spoiler:Tatsuya shouts aloud he likes Seine, Sheila infects Tatsuya via stealing his first kiss and send him to kill Seine at her sisters demand, Tatsuya doesn't kill Seine and instead pulls himself out of the friend zone he has been for 4 years by kissing her, Sheila is returned to the sea by Ariel, Shizuki and Yuzuki came back, the fated day is closer...[[ArsonMurderAndJaywalking and Seine is dressed as a]] {{Meido}}]]

* TheBigDamnKiss: [[spoiler: Tatsuya to Seine in chapter 39]]. Also counts as ForcefulKiss.

* BittersweetEnding: [[spoiler:Tatsuya and Seine get the chance to have a RelationshipUpgrade, the town is saved from being sink, Enati's threat is avoid and Sheila gets to have a genuine mermaid lower body (sacrificing her human legs and return to land); Seine gets to kill 2 of seven mermaids after hearing Simon's history through Ariel and seems to give up her revenge, but after the years, Tatsuya dies for old age and Seine is seeing besides his grave, just as young as always]].
** [[spoiler:But then Tatsuya's soul seems to came for Seine as she gives up to Aion and both are TogetherInDeath, and Aion returns to it's true owner, Sheila, returning her her voice]] making the end a little more sweet but still a TearJerker.

* EveryoneCanSeeIt: Well...everyone but [[ObliviousToLove Tatsuya]] can see that Yoshiyuki is in love with him. He's just that dense

* InnocentFanserviceGirl: Seine, being an EmotionlessGirl who consideres herself as a monster, is not bothered if somebody sees her shirtless or [[ThanksForTheMammary grabs her chest]] and she even takes her clothes up once to show Tatsuya that her wounds are healed. Of course, even if she doesn't freak out, Tatsuya does.

* ImagineSpot: Tsukasa, everytime someone says it's living with Tatsuya because he pick them up, has imagine spot of them as cute, pitiful homeless [[AlwaysFemale girls]] under the snow.

** MayflyDecemberRomance: Tatsuya one-sided crush on Seine.
* MeetCute: Tatsuya first saw Seine after she steps on his money when a couple of bullies throw it to the ground.

*** Hilariously "enforced" by Seine to keep Tatsuya off her neck.

* WhamEpisode: Volume 10. ''The whole Volume 10''. [[spoiler:Tatsuya shouts aloud he likes Seine, Sheila infects Tatsuya via stealing his first kiss and send him to kill Seine at her sisters's demand, Tatsuya doesn't kill Seine and instead pulls himself out the friend zone he has been for 4 years by kissing her, Sheila is returned to the sea by Ariel, Shizuki and Yuzuki came back, the fated day is closer...[[ArsonMurderAndJaywalking and Seine is dressed as a]] {{Meido}}]]

* BittersweetEnding: [[spoiler:Tatsuya and Seine get the chance to have a RelationshipUpgrade, the town is saved from being sink, Enati's threat is avoid and Sheila gets to have a genuine mermaid lower body (sacrificing her human legs and return to land); Seine gets to kill 2 of seven mermaids after hearing Simon's history through Ariel and seems to give up her revenge, but after the years, Tatsuya dies for old age and Seine is seeing besides his grave, just as young as always and with a new name in her list of dead persons she cared about]].

The manga ended with 10 volumes in July 9, 2012.

* BittersweetEnding: [[spoiler:Tatsuya and Seine get the chance to have a RelationshipUpgrade, the town is saved from being sink, Enati's threat is avoid and Sheila gets to have a genuine mermaid lower body (sacrificing her human legs and return to land) and Seine gets to kill 2 of seven mermaids after hearing Simon's history through Ariel, but after the years, Tatsuya dies for old age and Seine is seeing besides his grave, just as young as always and with a new name in her list for persons she cared about that died]].

* BittersweetEnding: [[spoiler:Tatsuya and Seine get the chance to have a ReletionshipUpgrade, the town is saved from being sink, Enati's threat is avoid and Sheila gets to have a genuine mermaid lower body (sacrificing her human legs and return to land) and Seine gets to kill 2 of seven mermaids after hearing Simon's history through Ariel, but after the years, Tatsuya dies for old age and Seine is seeing besides his grave, just as young as always and with a new name in her list for persons she cared about that died]].

''Hekikai no [=AiON=]'' is a fantasy and horror manga by YunaKagesaki, known for ''{{Karin}}''. The series is currently being translated by TokyoPop under the name ''Aion''.

* BarbieDollAnatomy

* YourApprovalFillsMeWithShame: Seine gets no other option but to rip the Mushis out of a crowd of {{brainwashed and crazy}} students without "exciting" the Mushis first. Shizuki applauds this act. Seine is not amused since she knows what doing that means.

* YourApprovalFillsMeWithShame: Seine got no other option but rip the Mushis out of a crowd of {{brainwashed and crazy}} students without excite the Mushis first. Shizuki applause this act. Seine was not amused since she know what doing that means.

** [[spoiler: After getting ImpaledWithExtremePrejudice and removing a specific stick out of her with Tatsuya's help, she had a LuminescentBlush and a dazzed expression on her face. [[DoesThisRemindYouOfAnything "A lot of endorphins was released"]] ]]

** TheThreeFacesOfEve: Yuzuki (naive child), Seine (wise wife), Shizuki (sensual seductress).