Akuma no Riddle AK was a Japanese gacha mobile game that ran from November 30th, 2012 to November 9th, 2015. It was hosted by Mobage, GREE, and mixi.
Original Game Characters
Amamiya Akira
Hometown: Toyama
Birthday: 24 December
Age: 15
Bust size: D
Height: 158
Blood Type: O
Personality: Belligerent
Attitude toward life: So-so
Weapon: Computer
After witnessing a horrible abuse committed on a social media bulletin board, she started thinking about “To what length people can be cornered on the internet?”. To study this, she becomes an assassin. An assassin researching online. She is characterized by the tone of laughter with “Nyaa” at the end of the word and “Nihihi”. Share a room with Menou Tsubaki, which she called “Menou-san”.
Kujoin Arisu
Hometown: Luxury residential area
Birthday: March 24th
Age: 15
Bust size: A
Height: 141cm
Blood type: AB
Personality type: Tsundere
Attitude towards life: Good
Weapon: Needles
The sister of Kujoin Kurusu. She speaks badly, but she is always anxious about her sister Kurusu. She is good at sewing and often does plushies for her sister. Her handband is made by her. Elle est en bons termes avec Kyoko Okita. Seems to have a link to Kiraboshi Kyōka.
Momochi Botan
Hometown: Kansai region
Birthday: Secret
Age: 15
Bust size: D
Height: 155cm
Blood type: O
Personality type: Unpleasant
Attitude towards life: Restless
Weapon: Katana
Immediately step on. Also a trouble maker. She has no general education given she was raised in the mountain and is naive. Perhaps because of that, the character as a ninja is equal to zero and she is sloppy, but the person herself is enthusiastic about aiming for the top. Because of her experience of drowning in the river, she is extremely weak at the waterside such as pools. Due to her ability to break things quickly, she is threatened to stay away from Shima Awazu’ motorcycles. She says she has no friends.
Nanase Chigiri
Hometown: Tōhoku countryside
Birthday: September 10th
Age: 15
Bust size: D
Height: 160cm
Blood type: O
Personality type: Easily moved to tears
Attitude towards life: Very good
Weapon: wild boar
President of the Myojo breeding committee. She met her partner, Noi, a wild boar, in the moutains, and treat it like family. She’s interested in Okita Kyoko and was beaten by her. She’s good with animals.
Yamasaki Chiyo
Hometown: Shimane prefecture
Birthday: When the world was still one continent
Age: 15
Bust size: A
Height: 143cm
Blood type: O
Personality type: Easy to ride
Attitude towards life: Normal
Weapon: Scythe
A girl who was fascinated by the devil who wields a scythe. Of the seven children chosen by God, she’s the one with the strongest power. Actually a kind child of a rice farmer. She’s actually not an assassin and just got lost in Tokyo.
Kamimai Hihumi
Hometown: Kyoto
Birthday: December 3th
Age: 15
Bust size: B
Height: 146cm
Blood type: B
Personality type: Tomboy/Nature
Attitude towards life: Good
Weapon: Snake shikigami
白蛇の使いとして大切に育てられた箱入り娘である。その為境内の外には出ることを許されず、穢のない生活を送る。そのせいか、世間知らずのおてんば娘に育った。
Daughter of a shrine that enshrines a white snake. She is using a snake shikigami. With a tomboyish personality, her lines are marked with a “★” at the end of the word. She is an albino and features red eyes with gray hair and stars in her eyes. Her hobby is the collection of mufflers. It seems that she has a liking for Menou Tsubaki.
Tachimori Hikage
Hometown: Unknown
Birthday: March 17th
Age: 15
Bust size: C
Height: 170cm
Blood type: O
Personality type: Friendly
Attitude towards life: Attentive student
Weapon: Hunting knife
Looks like a kind person, but in reality she’s a lust murderer. Abandoned by her family as a child, she joined the circus. After a certain incident, she killed the leader and awakened as a murderer. She has been on good terms with the Kujoin sisters since she entered the school andthey go to school together. She is liked by Kurusu, who loves sweets. Her speciality is apple pie. She seems to like children and read them stories.
Amabe Hikaru
Hometown: Suicide spots
Birthday: 21th March
Age: 15
Bust size: B
Height: 160cm
Blood Type AB
Personality: Super positive
Attitude towards life: Super aggressive
Weapon: Syringe
Assassin who came from a nursing school. Has a quiet and neat look, also very polite. However, upon seeing the sight of people struggling for their life she will turn into a pervert who enjoys the chaos and carnage. A sadist who has a terrifying tone and polite language, but who likes blood and slaughter. Her favorite foods are pomegranate and tomatoes. There is a line that suggests that she is collecting human body as a hobby.
Nakayama Hizumi
Hometown: Hokkaido
Birthday: March 3th
Age: 15
Bust size: E
Height: 170cm
Blood type: B
Personality type: In fact
Attitude towards life: Avoid the hassle
Weapon: Guitar
Light music club. She’s the guitarist and vocalist in the band. A very dry personality. Currently looking for a bassist. She’s always fighting with Awazu, but sometimes she keeps a delicate relationship with her. Her favorite music is hardcore. Somewhat androphobic. She’s practicing playing the guitar all night, so she’s short of sleep and sleepy all day long. She likes spicy food.
Shirai Io
Hometown: A laboratory
Birthday: Unknown
Age: 15
Bust size: E
Height: 155cm
Blood type: Unknown
Personality type: Naive
Attitude towards life: Serious
Weapon: Railgun
Biological weapon No. 10. The name “Io” was given by herself. She has a gentle personality, but when the emotions rise, her arm is deformed regardless of the intention and the railgun is ejected. Apparently she’s addicted to rakugo.
Zerosaki Kaoruko
Hometown: Overseas/combat areas
Birthday: Secret
Age: 15
Bust size: D
Height: 155cm
Blood type: O
Personality type: Calm
Attitude towards life: Very good
Weapon: Machine Gun
Former military personnel. Se has few words and lacks emotional expression. She was killing for her dog and an orphanage. An orphan from an overseas war area who grew up in a church-run facility. The choker on her neck is a keepsake of her guardian, a Sister. Her name is a pseudonym and the real name is “Lillie”. She feels like she’s similar to Isuke Inukai and is interested in her. She wears an eye-patch to learn how to shoot in the dark.
Kujoin Kurusu
Hometown: Luxury residential area
Birthday: March 24th
Age: 15
Bust size: A
Height: 140cm
Blood type: AB
Personality type: Self-confidence
Attitude towards life: Good
Weapon: Dolls?
The sister of Kujoin Arisu. Like her sister, she has a poisonous tongue. She carries a doll made by her sister Arisu. Always lonely and always with her sister. With an extremely sweet tooth, it’s enough to eat a three-cake cake. Not doing anything by using her sister.
Kirahoshi Kyouka
Hometown: Northward
Birthday: March 17th
Age: 17
Bust size: B
Height: 160cm
Blood type: AB
Personality type: Naive
Attitude towards life: Good
Weapon: Mirror
A lady-like assassin. A young lady who manipulates a mirror. Fortune-telling was done using a mirror that has been passed down from generation to generation. Her power was recognized and she enrolled at Myoujo Gakuen. She has a rivalry with the Kujoin sisters. She is on good terms with Kanadome Mumu because she likes flowers. She’s good at German. She has a naive side, and she misunderstands grasshoppers as lizards, makes risotto with orange juice, natto and stew, and does not know how to use adhesive plasters.
“Ufufu, your future… It’s bright red like a camellia flower”
Okita Kyouko
Hometown: Tokyo
Birthday: August 21th
Age: 15
Bust size: C
Height: 160cm
Blood type: A
Personality type: Strict
Attitude towards life: Good
Weapon: Sabre
A descendant of a famous samurai part of the Shinsengumi. She’s very moral and “samurai”-like, but is kind of clumsy and tend to stumble on nothing. She’s not good with animals and is always chased by Nanase’s pets. She has mastered the school of Tennen Rishin-ryu and uses a sword as a weapon. She wears a hair accessory that is a keepsake of her father. Having grown up in a harsh family, she has a longing for the freedom of Nanase.
Kanadome Mumu
Hometown: Dreamland
Birthday: March 14th
Age: 9
Bust size: B
Height: 135cm
Blood type: AB
Personality type: Quiet and young
Attitude towards life: Very good
Weapon: Chainsaw
Raised in a shelter, where she encounters bullying. However, one day, an incident such as breaking the arm of a classmate with bare hands occurs. Since then, against her will, when she’s threatened, she awakens and kills the threat regardless of who they are. A gentle girl, but when she awakens, she swings a huge chainsaw around and doesn’t seem to remember. She has a guinea pig named “Moru-chan”, and she puts it in a school bag and bring it to the classroom. She is on good terms with Kujoin Kurusu and plays with dolls. Good friends with Kyouka and Hikage. Her room is a single room. Her favorite subject is mathematics and her favorite food is strawberries.
Suzukaze Raburi
Hometown: Land of dreams and light
Birthday: The day the star was born
Age: 15
Bust size: A
Height: 150cm
Blood type: ♥
Personality type: Fluffy radio wave
Attitude towards life: Normal
Weapon: Magical Girl wand
She believes that she’s a magical girl, but in reality she’s a mediocre person. A dreamy girl. An assassin at a prestigious high school, recommended by the school and sent unwillingly to Myoujo Gakuen. Her parents are military personnel and are not good at her magical girl hobby, but she longs for her grandmother who understands and treats her good.
Kurosu Reia
Hometown: Overseas
Birthday: November 27th
Age: 15
Bust size: C
Height: 148cm
Blood type: O
Personality type: Mischievous/Capricious
Attitude towards life: Improve badness
Weapon: Vampire teeth
The descendant of a vampire. Sleeps during class so her grades are low but is good at English. She loves manga and share a room with Awaru.
Akiyama Ren
Hometown: Tochigi Prefecture
Birthday: November 3th
Age: 15
Bust size: C
Height: 160cm
Blood type: AB
Personality type: Yandere/Delusional
Attitude towards life: Good
Weapon: Bow
妄想癖のあるｱｰﾁｬｰ。とある出来事がきっかけで主人公に告白されたと思い込む。主人公を自分だけのものにしようと企んでいる。相当なメモ魔でメモを取る腕は残像が見えるほど早い
A girl with a bow wearing a hat that imitates the face of a cat. With a delusional habit of Yandere, she is obsessed with the main character. In addition, she is jealous of Tokaku who is on good terms with the main character. Born in Tochigi prefecture. Self-proclaimed “descendant of a military commander”.
Awazu Shima
Hometown: Tokyo, Ginza district
Birthday: 24 March
Age: 15
Bust size: D
Height: 167
Blood Type: A
Personality Type: Manlier than man
Attitude toward life: The worst
Weapon: Spiked brass knuckles
Born in the worst home environment. She was a leader of a gang who fought with other gangs and got into a turf war with biker gangs. But after getting involved with assassination, she dissolved her gang. A girl who made a name for herself as a leader of a runaway tribe who is familiar with the underworld at the school before the transfer to Myojo Gakuen. The weapon is brass knuckles. She is familiar with manga and anime because it doesn’t look like a bad wind, and she frequently rents and borrows from Reia in the same room. Reia has described it as a “girl’s hobby” and “a child’s type if you think you’re wearing sexy underwear.” Her right eye is almost blind due to a fight.
Kayako Souma
Hometown: Tokyo (Shibuya)
Birthday: Secret
Age: 15
Bust size: F
Height: 160cm
Blood type: O
Personality type: Optimistic
Attitude towards life: Unscrupulous
Weapon: Grenades
Use explosives against her opponents with excessive skinship. Smiles at the target, but takes a cold attitude towards others. Generally thinks that those who do not listen to their selfishness will end up death. A girl assassin with glasses. Skinship is intense, such as hugging a person, but an assassination method is used in which explosives are charged into the body. Seems to don’t like occultism and hates Sumire Yagawa for being stupid and an occultist.
Yagawa Sumire
Hometown: Aomori prefelecture
Birthday: August 25th
Age: 15
Bust size: A
Height: 150cm
Blood type: A
Personality type: Actually scared
Attitude towards life: Normal
Weapon: Big spoon
Inspired girl. She studies occult everyday and practice praying, but she has no spiritual power at all. Swing a lucky silver spoon to chase after her target. She’s doing occult research, but she’s really bad at scary things. She turned Chiyo into a “chunnibiyou” and is friend with Io.
Menou Tubaki
Hometown: Kyushu
Birthday: February 15th
Age: 15
Bust size: D
Height: 160cm
Blood type: B
Personality type: Perfectionist
Attitude towards life: Good
Weapon: Gun
Born in Kyushu. The only daughter of the gangster leader. Raised in a strict family that enjoys flower arrangements since childhood. She has a personality that values her goodwill, and has lost her first friend to suicide in the past, and is obsessed with helping the weak out of remorse that she could not help. The weapon is a pistol. I usually speak in standard language, but I often hear the accent of Kyushu. Is fascinated by the power of fortune-telling. Her hobby is to put a collar on a cat and take a walk.
Ninomae Hajime
Hometown: Underground Tokyo
Birthday: August 25th
Age: 15
Bust size: C
Height: 156cm
Blood type: B
Personality type: Pretty troublesome
Attitude towards life: Bad
Weapon: Chemicals
A mysterious girl who does not talk about herself. The name seems to be a pseudonym. She doesn’t wear anything other than a shirt and jacket because it’s a hassle. Moreover, it seems that not only clothes but also socializing is troublesome, and no reaction to anyone. Her real face is beautiful and has cat eyes.
A scientific girl wearing a gas mask. She has a troublesome personality, and only wears a shirt and jacket. The name is a pseudonym, and Io Shirai is nicknamed “Ichiichi” because of its character. Because of her science-loving personality, she is interested in Io, a biological weapon, and is searching for information.
Original Manga Characters
Azuma Tokaku
Hometown: Unknown (Nagano)
Birthday: Unknown (February 24th)
Age: 15
Bust size: B
Height: About 160cm (161cm)
Blood type: Unknown (A)
Personality type: Indifference
Attitude towards life: Good
Students from Academy 17. Entered Myoujo Gakuen as an international student. Her virtue is to be faithful to the mission and to do it reliably.
Inukai Isuke
Hometown: Unknown (Kanagawa)
Birthday: Unknown (June 29th)
Age: 19
Bust size: Biggest
Height: 160cm
Blood type: Unknown (B)
Personality type: Crafty
Attitude towards life: Good
Like Tokaku, she enters the school as an assassin. She likes gel nails. Has a past name before taking the name of her adoptive parents.
Namatame Chitaru
Hometown: Unknown (Tokyo)
Birthday: Unknown (September 4th)
Age: 15
Bust size: F
Height: Tall (171cm)
Blood type: Unknown (O)
Personality type: Princely
Attitude towards life: Normal
Attendance number 9. A prince-like high school girl. Her breast cup F looks surprisingly big despite her prince appearance.
Hashiri Nio
Hometown: Unknown (Shiga)
Birthday: Unknown
Age: 15
Bust size: D
Height: About 150cm (152cm)
Blood type: Unknown (AB)
Personality type: Passive
Attitude towards life: Good
A student of Myoujo Gakuen and came to Class Black from another group. Always wears winter clothes and do not expose her skin.
Banba Mahiru/Shinya
Hometown: Unknown (Gunma)
Birthday: Unknown (May 30th)
Age: 15
Bust size: B
Height: 150 to 160cm (158cm)
Blood type: B
Personality type: Berserker
Attitude towards life: Good
The wound on mer face was caused by Shinya when she was a kid. Her personality is different between day and night. She has a strange hobby of collecting holy relics and is a little bit creepy.
“Aren’t ya going to greet me?”
Kirigaya Hitsugi
Hometown: Unknown (Tokyo)
Birthday: Unknown (October 27th)
Age: 15
Bust size: A (absent)
Height: 150cm (152cm)
Blood type: Unknown (AB)
Personality type: Shy
Attitude towards life: Excellent
A shy little student who’s often mistaken for a fourth grader. Suspicious.
Ichinose Haru
Hometown: Unknown (Tokyo)
Birthday: Unknown (January 1st)
Age: 15
Bust size: C
Height: 160cm (159cm)
Blood type: Unknown
Personality type: Bright and Cheerful
Attitude towards life: Good
While knowing that she was targeted by assassins, ahe moved to another school to fight her fate. All human beings are desperate for death, but determined to survive
Mizorogi Ataru
Hometown: Shiga Prefecture
Birthday: Unknown (March 18th)
Age: 25
Bust size: N/A
Height: 180cm
Blood type: Unknown (O)
Personality type: Bright
Attitude towards life: Good
10-year Class Black teacher. His first homeroom class is an assassination class, but he is a normal good person who knows nothing.
Other pictures
Akuma no Riddle CPR 