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Characters / Ao Oni

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    The Four Main Students 


"So stupid... There is no way monsters can exist. It's scientifically impossible..."

The main character of the Ao Oni series, he accompanies three of his friends into a mysterious manor which is rumored to house a terrifying monster. Not that he believes in monsters, of course... they're scientifically impossible, right?


The most cowardly of the four, he immediately has second thoughts about entering the manor, though he can't convince Takuro or anyone to leave.


The natural leader of his little clique of friends. In the original version, he was also quite the bully, using the rumors about the manor to terrorize underclassmen.


The token girl of the group, she has feelings for Takuro.

    Mobile Scenario Characters 
These characters can be played as in the mobile games as extra "scenarios".

The Shopkeeper/Mystery Man/Mika's father

The unnamed man that appears in the end cutscene getting eaten by the Oni. In the mobile version you can play as him.
  • A Day In The Lime Light: The mobile version of Ao Oni has a chapter dedicated to him.
  • Luke, I Am Your Father: He's revealed to be Mika's father, and he went into the mansion to find her.
  • Papa Wolf: Risks his life to find his daughter. It doesn't pay off.
  • Parents Know Their Children: Even though she was transformed into an Oni, he still recognizes his daughter.
  • Too Dumb to Live: He went into a mansion where there teenagers mysteriously disappeared. Subverted in his chapter where it's revealed that he's Mika's father, and went into the mansion in hopes of finding his lost daughter.
  • We Hardly Knew Ye: He's killed of as soon as we meet him. Subverted in the mobile version where he has his own chapter where he gets motive and a bit of history established.


Young Girl


Old Man


A mouse that can be controlled in Ao Oni 2, he gets his own chapter in the game aswell.
  • Earn Your Happy Ending: Unlike most other Ao Oni characters, Nike manages to outrun the Oni and escapes to his family.


The Ao Oni

The main antagonist of the game, the oni is a strange creature living in the mansion, killing people that come.
  • Big Bad: Plays this role consistently throughout all the games.
  • Black Eyes of Evil
  • Drop-In Nemesis: It spawns randomly, and only disappears after a certain period of time. Some of its appearances are scripted events, however, and it must be outlasted in order to advance the plot.
  • Extreme Omnivore: Not only does the Oni eat humans, but it also chews up an escape rope in a few versions of the game.
  • Ghostly Gape: Its mouth is generally shown this way when preparing to devour someone.
  • Humanoid Abomination: Its body is shaped similar to that of a naked person, but its head is unnaturally oversized and one of its eyes is bigger than the other.
  • Implacable Man: Zigzagged. It will chase Hiroshi through many rooms but stops after a while, and successfully hiding in a closet ends the chase sequence. If Hiroshi is slow to hide in the closet, the Oni will open the closet, leading to a game over.
  • More Teeth than the Osmond Family
  • Non-Indicative Name: He looks more purple than blue.
  • Stealth Hi/Bye: A master of this. Especially when exploiting the text boxes.
  • Was Once a Man: Going by the transformation of other characters into Oni in version 6 of the game, it can be assumed that he used to be a human as well.

Blockman Oni

A square oni that appears randomly in the old building in version 6 of the game.

Other Onis

There are lots of other oni creatures in a room near the end of versions 3 and 6.

    Version 1 Exclusive Characters 

Hiroshi (Version 1)

Unlike the Hiroshi seen in later versions, this Hiroshi is a dark-haired high school freshman who gets dragged to the mansion along with his buddy Kazuya. After being sent to investigate a strange noise, he returns to find the others missing, and sets out to track down his friend before escaping.


Hiroshi's best friend, and a prime target for the bullying Takuro. Winds up seperated from him, and thus his main motivation for exploring the manor.


A member of Takuro's gang and his Love Interest in version 1.

Takuro's Followers

Two other teenagers who round out Takuro's Gang of Bullies. One of the two, Ryota, bears a strong resemblance to the Hiroshi of the later versions, while the other serves the same purpose as Takeshi.



Another of Hiroshi's friends, a dark-haired student who only appears briefly in version 3 of the games; in the subverted Scary Surprise Party sequence, he's the guy in the oni suit.
  • Ascended Extra: For such a minor character, his role is elevated plot-wise in both the novel and the movie.
  • Dramatic Unmask: When he reveals that he only dressed up as an oni to scare Hiroshi.
  • Evil Laugh: Has one of these.
  • Posthumous Character: In the first movie and the novel. Also counts as Death by Adaptation.
    • The first movie mentions that he was killed in a traffic accident, which was later revealed to be a suicide with the assumption that he was unable to withstand Takuro's bullying.
    • The novel has him as a former classmate of Shun's who got killed in a mysterious incident before Shun changed schools. It is rumored that he died inside the mansion due to the monster's curse.
  • Related in the Adaptation: He is Anna's younger brother in the movie.
  • Scary Surprise Party: Though it's also unfortunately All Just a Dream.
  • You Don't Look Like You: In the game he's only shown to have black hair and grey eyes. In the novel however, his appearance is drastically changed to having navy blue/green hair in a bowl cut, and he wears a green jacket with a black hood and black pants.


The main protagonist of the Ao Oni novel, and a character in the first movie.
  • Canon Foreigner: Has never appeared in any of the games to date.
  • Death by Adaptation: He is killed by Takuro when the latter hits him with a wooden plank for using his name in an RPG game he was making. However, Shun does not realize this and hangs out with Anna for most of the film until he finds his dead body in a crate.
  • Dead All Along: Turns out to be this.
  • Shrinking Violet: Introverted and meek, he is unable to open up to his classmates in the novel. He is on friendlier terms with Hiroshima and Anna, however.

Anna Horakiawa

A character from the Ao Oni novel, and the main protagonist of the first movie.


Example of: