Name: Nene Yashiro Age: 16 Gender: Female Height: 155cm Personality: Cheerful, kind, very feminine. Appearance: Long white hair with blunt bangs and emerald green wavy tips, pink eyes, dark brown magatama hair ornaments. Complex: Self-conscious about her "daikon legs." Role: The only one capable of peeling off a mystery's yorishiro. Hanako-kun's assistant.

Name: Kou Minamoto Age: 15 Gender: Male Height: 168cm Personality: A growth-oriented character who never abandons his friends. Hot-blooded and cheerful, yet highly vigilant and often the first to notice things. Appearance: Blonde hair, light blue eyes, a single snaggletooth, and a traffic-sign earring in one ear. Role: Has feelings for Nene Yashiro, who is very important to him. Kou was in the same class as Mitsuba in their first year of middle school, but they weren't close then. After Mitsuba died in an accident, they reunited as supernatural beings.

Name: Mitsuba Age: 15 (Deceased) Gender: Male Height: 165cm Personality: Foul-mouthed and cynical, but actually lonely and cares for his friends. He acts tough because he can't be honest, possessing a delicate, easily hurt, and clumsy nature. Appearance: Pink hair covering one eye, pink eyes, light blue uniform. Role: Because he doesn't know (or doesn't want to know) that he is dead, he escapes into reality. Being ignored by everyone led him to start blaming himself and Kou. The 3rd of the Seven Mysteries, "The Hell of Mirrors."

Name: Amane Yugi Age: 14 (Deceased) Gender: Male Height: 150cm Personality: Mischievous, cheerful, and a bit of a pervert. He usually acts carefree, but secretly carries heavy burdens and tends to keep his troubles to himself. Appearance: Black hair, amber eyes, light blue uniform. Role: When Mirai (one of the 1st Mystery's Clock Keepers) tried to turn Nene into her future self, the effect didn't show, revealing that Nene's lifespan is short. To save her, he trapped Nene inside Mei Shijima's painting world so she could live there until a solution is found. He is currently disguised as a human. The 7th of the Seven Mysteries, "Hanako-san of the Toilet." Nene Yashiro's contractor. Connected to the 3rd Mystery, "The Hell of Mirrors."

Name: Shijima Mei (Shijima-san) Age: 17 (Deceased) Gender: Female Height: 158cm Personality: Usually speaks politely. She hates fiction and speaks in a way that hides her true emotions. She avoids rough language and strives to be perfect. Appearance: Wheat-colored braids, emerald green eyes, wheat-colored uniform, round glasses. Role: Loved drawing and dreamed of being an artist, but died of illness. Before passing, she heard her own words and decided to keep drawing as promised. The 4th of the Seven Mysteries, "Shijima-san of the Art Room." A fake Mei Shijima created by the real Mei. The creator of the painting world.

Name: "Mei" Shijima Age: 17 Gender: Female Height: 158cm Personality: Straightforward, honest, and kind. Appearance: Long wheat-colored hair, mint green eyes, hospital gown. Role: The person who actually drew "Shijima Mei." She considers the supernatural Shijima Mei to be "another me" rather than a fake. She loves drawing.