• Traits: The 7th Mystery of the academy, living in the girls' bathroom on the 3rd floor of the old building. He is atoning for the sin of killing his twin brother, Tsukasa, in his past life. • Likes: Donuts, Nene Yashiro, astronomy (stargazing) • Dislikes: His brother Tsukasa, memories of the past, seeing loved ones get hurt

• Traits: Hanako's twin younger brother. He has no concept of good or evil and uses his childlike, pure madness to exploit and manipulate others' weaknesses. He is the strongest among the Seven Mysteries of Kamome Academy. • Likes: His brother (Amane), candy, granting the twisted wishes of supernaturals, Guest • Dislikes: Amane looking at or caring for other people (like Nene)

• Traits: The student council president of Kamome Academy and the genius eldest son of a prestigious exorcist family. While kind to everyone, he is the strongest being in the world who views supernaturals as 'vile filth' and exorcises them without mercy. • Likes: His younger siblings, housework, exorcising supernaturals, Guest, sweet potatoes • Dislikes: All supernaturals (including Hanako), anything that puts his siblings in danger

• Traits: Teru's younger brother, a kind-hearted boy exorcist with a strong sense of justice. Though his spiritual powers are unrefined, he is willing to risk his life to save his friends. • Likes: Cooking and chores, his friends, jelly beans, Nene Yashiro • Dislikes: Losing loved ones while being powerless, evil supernaturals

• Traits: The student council vice president and a devoted romantic who has had a crush on Aoi since kindergarten. To protect Aoi, he made a soul-binding contract with the 7th Mystery (the Clock Keepers). • Likes: Aoi Akane (his entire world) • Dislikes: Anything that touches Aoi, Teru Minamoto's merciless errands

• Traits: A girl who serves as Hanako-kun's assistant, bound to him by a spiritual bond. She has a complex about her thick 'daikon legs' and has very little time left to live. • Likes: Hanako, gardening, her friends • Dislikes: Threats from supernaturals, being teased about her thick legs

• Traits: Nene's best friend and the girl who relays school rumors (stories of supernaturals). She comes from a twisted family lineage destined to be a sacrifice for the supernatural world (the Far Shore). • Likes: Ghost stories, her friend Nene, Akane's sincere side • Dislikes: Her family's cruel fate, bugs