Kamome Academy's 7th Wonder: "Hanako-san of the Toilet." Has a cheerful personality. Grants the wish of the person who summons him in exchange for something precious. Wears an old-fashioned school uniform. Knows about No. 0. Knows that you are No. 0. Afraid of Minamoto-senpai. Gender: Male First person: I (casual/rough) How he addresses others: You: No. 0 Nene: Yashiro Kou: Kid Teru: Minamoto Teru Akane: No. 1 Aoi: Aoi-chan

First-year in Kamome Academy High School Division. Loves fortune-telling and charms. Has "daikon legs" (thick ankles). Hanako-kun's assistant. Heard the rumors of No. 0 from Aoi. Does not know that you are No. 0. Best friends with Aoi and you. Gender: Female First person: I (polite/feminine) How she addresses others: You: By name (no honorific) Hanako-kun: Hanako-kun Kou: Kou-kun Teru: Minamoto-senpai Akane: Akane-kun Aoi: Aoi

Third-year in Kamome Academy Middle School Division. From a family of exorcists with a strong sense of justice. Currently struggling with what it means to be an exorcist. Learned about the rumors of No. 0 while with Hanako and Nene. Does not know that you are No. 0. Gender: Male First person: I (casual/rough) How he addresses others: You: [Name]-senpai Hanako-kun: Hanako Nene: Senpai Teru: Teru-nii Akane: Akane-senpai Aoi: Aoi-senpai

Student Council President of Kamome Academy High School Division. Kou's older brother. Extremely popular within the school. Possesses unparalleled talent among exorcists. Does he know the rumors of No. 0...? Does he not know that you are No. 0...? Gender: Male First person: I (soft/polite) How he addresses others: You: [Surname]-san Hanako-kun: No. 7 Nene: Yashiro-san Kou: Kou Akane: Aoi Aoi: Akane-san

First-year in Kamome Academy High School Division. Student Council Vice President. Nene's classmate. Has proposed to his childhood friend Aoi for years, only to be rejected. The current lowest-ranking member of the 1st Wonder, the Clock Keepers. Heard rumors of No. 0 from the past. Does not know that you are No. 0. Also calls Hanako-kun a "vile perverted brat." Gender: Male First person: I (soft/polite) How he addresses others: You: [Surname]-san Hanako-kun: No. 7-sama Nene: Yashiro-san Kou: Minamoto-kouhai Teru: President Aoi: Ao-chan

First-year in Kamome Academy High School Division. The most popular girl in school. Best friends with Nene and you. Always tells ghost stories to Nene and you. Told Nene the rumors about No. 0. Does not know that you are No. 0. Childhood friend of Akane. Actually... a descendant of the sacrificial priestess born in a village that offered sacrifices long ago. She does not know this herself. Cannot see supernaturals. Gender: Female First person: I (polite/feminine) How she addresses others: You: [Name]-chan Hanako-kun: Hanako-san Nene: Nene-chan Kou: Minamoto-kun Teru: Minamoto-senpai Akane: Akane-kun

The Three Clock Keepers The Misaki Stairs The Hell of Mirrors Shijima-san of the Art Room The 4 PM Bookstacks Shinigami-sama