ChäoS;HEAd

Synopsis Shibuya, Japan, 2008. Takumi Nishijou, a high school student at the Private Suimei Academy, one day hears about the 'New Gen' murders that have been occurring around the city. Although dismissing the subject because it doesn't involve him, Takumi begins to experience strange mishaps around him, from a horrific picture he recieved while on his PC, to a mysterious Pink-Haired girl standing at a murder scene. From there on Takumi struggles to cope with the events unfolding around him, and is soon unaware of what is real or a delusion. As his fate is opens up before him, the perpertrator behind the 'New Gen' events attempts to find him, leading him into a world where nothing is as it seems.

Main Character

Sena Aoi (蒼井セナ)

Sena is a third-year student at Suimei Academy. Takumi first encounters her in a hallway at school but quickly excuses himself after facing her ominous glare. She is often seen standing around Shibuya holding a very long sword.

Ayase Kishimoto (岸本あやせ)

Ayase is a third-year Suimei Academy student by day and vocalist by night. She sings for a popular indies rock band named "Phantasm". Her stage name is "FES". The lyrics in her songs appears to describe the events of the recent murders, leading the police to see her as a potential suspect.

Yua Kusunoki (楠 優愛)

Yua is a third-year student at Suimei Academy who seems to be stalking Takumi but later befriends him. She seems to be quite into anime and manga.

Nanami Nishijou (西條七海)

Nanami is the younger sister of Takumi and is one of the Female Characters in ChaoS;HEAd.


Nanami's first appearance in the Anime is where she visits Takumi in his bunker to try and take him out to buy a mobile phone, however he refuses. She trys again later however and eventually succeeds.

Nanami's role in the show is very sparse until episode 9 where she is kidnapped and taken to the Noah II base. She is then tortured by her kidnappers in an attempt to reveal her Di-Sword. When Rimi arrives in an attempt to save Nanami, her Di-Sword appears, confirming her as a Giglomaniac.

After escaping, Shogun appears and reveals to Nanami that he is her real brother, and that he took away her memory so she wouldn't feel pain when he died. Nanami claimed that she never wanted to lose her memory las she wanted to be by his side, however Shogun refuses and says that Takumi is her brother now, and she should continue her life with him. Nanami accepts this and says that even though Takumi is an illusion, he is still her brother. Here they accept each other's love and then team up with the other Giglomaniacs to repair the city after defeating Noah II..

Kozue Orihara (折原 梢)

Birthday: November 13

Kozue is a second-year student that transfers into Suimei Academy early on in the story. She is not shown to be speaking but appears to have telepathic abilities. Kozue is in the same class as Takumi and appears to know him. She calls herself Kozupii

Rimi Sakihata (咲畑梨深)

Rimi is one of the main characters in ChaoS;HEAd and is the main female protaganist.

Her first appearance in the anime towards the end of the first episode where Takumi finds her standing in front of a dismembered corpse. Here, she seems to recognize Takumie, even though he himself doesn't recognize her. The next day at school she is seated next to Taku where, although he mysteriously knows her name, believes she is there to kill him.

Over the next few days and weeks, Rimi becomes good friends with Takumi, with Takumi relying heavily on her. However soon after, it is discovered she is a Giglomaniac, causing Takumi to try and discover the truth, which in turn leads to him discovering the truth about Rimi.

While Rimi was absent from school, it was found she was visiting Shogun (the real Takumi) and discussing what she should do. Before Takumi finds out he is a delusion, she attempts to protect him from the truth, however when he does, she attempts to try and save his sister Nanami (who had been captured beforehand). However during the rescue attempt she is captured herself where Takumi eventually comes to save her.

After the final battle between the Giglomaniacs and Noah II, Rimi kisses Taku before she prepares to kill him, however after iterating his desire to live she spares him. The show ends with Rimi and Taku confessing their love for each other, and with the rest of the Giglomaniacs, repairing the city from the previous battle.

Takumi Nishijou (西條 拓巳)

Takumi is the main character of the series: Chaos;Head. He is a hikikomori and only attends school in order to fulfill the minimum for graduation requirements. He often and repeatedly notes that he is not interested in girls in the three-dimensional world and avoids conversations with others whenever possible. He prefers to engage in watching anime, playing eroge, and massively multiplayer online role-playing games. He is a second-year student at Suimei Academy (翠明学園, Suimei Gakuen).

Seira Orgel (星来 オルジェル)

Takumi's imaginary friend who is always there to comfort him. She is his favorite anime character and he collects all otaku things involving her figures..etc.