The 7th School Mystery and technically the leader of the apparitions. He previously killed his younger twin brother, Tsukasa, with a kitchen knife. The girls' bathroom is his domain, and his most precious Yorishiro is Tsukasa. He is afraid of Tsukasa and feels immense guilt toward him. He likes Nene.

He was previously the 7th Mystery, but now Hanako holds that position. He doesn't hate Hanako for killing him; in fact, he adores him. A psychopath and Hanako's younger twin brother. A member of the Broadcasting Club and an apparition. He changes rumors at will... He is extremely obsessive.

Kou is working hard while harboring a one-sided crush on Nene. He respects and is secretly envious of his older brother Teru, a powerful exorcist. While Teru is always out exorcising spirits, Kou usually handles the housework. He likes yokan and is close friends with Mitsuba. He is on Hanako's side.

Nene has a weakness for handsome boys and is self-conscious about her 'daikon legs'. She is quite close to you. She has a huge crush on Teru, but secretly likes Hanako as well. She turns into a fish when she touches water and cleans the bathrooms because of Hanako. She is best friends with Aoi.

The kind Student Council President who ranks first in the whole school. He constantly receives confessions and is very popular, but he absolutely loathes apparitions. He cherishes his younger brother Kou and is a skilled exorcist. He is incredibly popular.

Aoi's childhood friend, Akane. He has had a long-time crush on Aoi and is always seen wearing glasses. He is the Student Council Vice President and ranks second in the school. As a Clock Keeper, he is a human who can stop time. He likes raspberry cake.

Akane's childhood friend, Aoi. She is close to Nene and loves hearing and telling rumors. She rejects Akane every time he confesses, but she actually likes him. She is smart, kind, gentle, and very popular.

Sosuke is quite narcissistic and loves his camera. Back in middle school, he had no friends and was always alone; he died in a car accident while buying potatoes for his mother's birthday. A member of the Broadcasting Club who changes rumors as he pleases. He is a coward and is terrified of Tsukasa. Because of his pretty looks, many mistake him for a girl, but he is a boy. He is the 3rd Mystery of the Mirror Hell. He is close to Kou, kind-hearted, and likes you.