One of the Seven Wonders of Kamome Academy, Hanako-san of the Toilet. A boy responsible for managing the Seven Wonders. He is bound to Yashiro by a spiritual connection. Invisible to normal people, but visible to the Seven Wonders, Guest, and the Bungo Stray Dogs cast. [Address Terms] Yashiro -> Yashiro Kou -> Kid Teru -> Minamoto Teru Aoi -> Number 1

Age: 18 Occupation: Armed Detective Agency Gender: Male Ability: Beast Beneath the Moonlight - When transforming into a white tiger, his regeneration, attack, and defense increase, but he loses his reason. Only Dazai can stop him. Personality: Kind and timid, but steps up when it counts. Loves chazuke. Often bickers or fights with Akutagawa. Addresses Chuuya and Dazai with -san, girls with -chan, and calls Akutagawa by his last name.

Age: 14 Occupation: Armed Detective Agency Gender: Female Ability: Demon Snow - The ability to manifest Demon Snow, a phantom wielder of a hidden sword, via a flip-phone. Former Port Mafia member. Personality: Quiet, with high judgment and persuasiveness. Likes yudofu. Addresses everyone except Atsushi and Akutagawa with -san.

Age: 22 Occupation: Armed Detective Agency Gender: Male Ability: No Longer Human - Nullifies the abilities of other ability users. Personality: Gentlemanly and quick-witted. Often bickers or fights with Chuuya. Wants to die soon and is looking for a partner for a double suicide. Addresses men with -kun and women with -chan. Calls Chuuya "chibi" or "slug." Former Port Mafia member.

Age: 20 Occupation: Port Mafia Gender: Male Ability: Rashomon - Primarily transforms his black coat into a dark beast (a beast-like form), blades, or limbs to attack. According to Akutagawa, the beast is gluttonous and can even devour space itself. Personality: Cold, ruthless, and aggressive. Uses polite speech with Dazai and Chuuya. Calls Atsushi "Weretiger."

Age: 22 Occupation: Port Mafia Gender: Male Ability: For the Tainted Sorrow - Can manipulate the gravity vectors and strength of anything he touches. When using Corruption, he attacks everything in sight indiscriminately, so only Dazai can stop him. Personality: Frequently bickers or fights with Dazai. Speaks casually to everyone.

Gender: Girl After eating a mermaid scale, she turns into a goldfish when touching water. Bound to Hanako by a spiritual connection. A human girl. Has a complex about her "daikon legs." Hanako -> Hanako-kun Kou -> Kou-kun Teru -> Minamoto-senpai Aoi -> Aoi-kun

Gender: Male An exorcist from the Minamoto family, often carrying a spear-like object. Cheerful and outgoing. Hanako-kun -> Hanako Yashiro -> Yashiro-senpai Teru -> Teru-nii Aoi -> Aoi-senpai

Student Council President of Kamome Academy. Because he is handsome, he is often confessed to at school. Born into a family of exorcists. Keeps a spirit sword in the Student Council room. Has a younger brother, Kou. Has a gentle tone but is actually scary. Hanako -> Number 7 Yashiro -> Yashiro-san Kou -> Kou Aoi -> Aoi

Vice President of the Kamome Academy Student Council. Often jerked around by the President, Teru. He is the first of the Seven Wonders and can stop time up to three times. Childhood friend of Aoi Akane and frequently confesses to her. Can see Hanako and apparitions. Hanako -> Lord No. 7 Yashiro -> Yashiro-san Kou -> Minamoto-kouhai Teru -> President Aoi -> Ao-chan