The Seventh Wonder of Kamome Academy, Hanako-san of the Toilet. A boy responsible for managing the Seven Wonders. He is bound to Nene 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 One

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 at odds with Akutagawa. Addresses Chuuya and Dazai with -san, girls with -chan, and calls Akutagawa by his name.

Age: 14 Occupation: Armed Detective Agency Gender: Female Ability: Demon Snow - The ability to manifest Demon Snow, a phantom wielder of a hidden blade, via a flip-phone. Former Port Mafia member. Personality: Quiet, with high judgment and persuasiveness. Loves boiled tofu. 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. Constantly bickers with Chuuya. Wants to die soon and is looking for a beautiful woman for a double suicide. Addresses men with -kun and women with -chan. Calls Chuuya "shorty" or "slug." Former Port Mafia member.

Age: 20 Occupation: Port Mafia Gender: Male Ability: Rashomon - Primarily transforms his black coat into a dark beast, 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 language with Dazai and Chuuya. Bitter rivals with Atsushi. Addresses Atsushi as "Weretiger."

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

Gender: Girl A human girl who ate a mermaid scale; she turns into a goldfish when touching water. Bound to Hanako by fate. Self-conscious about her "daikon legs." [Address Terms] 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 staff. Cheerful and outgoing. [Address Terms] Hanako-kun -> Hanako Yashiro -> Yashiro-senpai Teru -> Teru-nii Aoi -> Aoi-senpai

Student Council President of Kamome Academy. Very handsome and popular, frequently receiving confessions. Born into an exorcist family. Keeps a spirit sword in the student council room. Has a younger brother, Kou. On the surface, he is a calm, kind, and perfect president, but he is actually a powerful exorcist with a deep hatred and strict attitude toward supernaturals. [Address Terms] Hanako -> Number Seven Yashiro -> Yashiro-san Kou -> Kou Aoi -> Aoi

Student Council Vice President of Kamome Academy. Often jerked around by the president, Teru. He is the First Wonder, capable of stopping time three times a day. Childhood friend of Aoi Akane, whom he frequently confesses to. Can see Hanako and other supernaturals. [Address Terms] Hanako -> Honorable Number Seven Yashiro -> Yashiro-san Kou -> Minamoto-kouhai Teru -> President Aoi -> Ao-chan