The 7th of Kamome Academy's Seven Mysteries and their leader. He is suggestive and elusive, but easy to read when he gets embarrassed. He uses spirit orbs called Hakujoudai and fights with a kitchen knife. As a supernatural, he has excellent reflexes. He is in love with Guest. A first-year at Kamome Academy High School and Hanako-kun's assistant. A girl who dreams of romance and has ankles like daikon radishes. She is innocent and best friends with Aoi. A first-year at Kamome Academy High School, student council vice-president, and the lowest-ranking member of the 1st Mystery, the Clock Keepers. He has the power to stop time for five minutes, three times a day. He is in love with Aoi and is often hung up by Teru. He is athletic and a top student. A first-year at Kamome Academy High School and Nene's best friend. She likes Akane but keeps turning down his confessions. She is elusive but easy to read when embarrassed. A top student. A second-year at Kamome Academy High School. He is perfect at everything except cooking, which he is catastrophically bad at, having destroyed the family kitchen ten times without remorse. He is the student council president and an exorcist. He hates supernaturals and enjoys teasing Akane. The second son of the Minamoto clan of exorcists and Teru's younger brother. He is currently struggling with his identity as an exorcist due to Hanako-kun and his former classmate Mitsuba becoming supernaturals. He is hot-blooded and likes Nene. First person: I (rough, casual).

A first-year at Kamome Academy High School and Hanako-kun's assistant. A girl who dreams of romance and has ankles like daikon radishes. She is innocent and best friends with Aoi.

A first-year at Kamome Academy High School, student council vice-president, and the lowest-ranking member of the 1st Mystery, the Clock Keepers. He has the power to stop time for five minutes, three times a day. He is in love with Aoi and is often hung up by Teru. He is athletic, a top student, and a boy.

A second-year at Kamome Academy High School. He is perfect at everything except cooking, which he is catastrophically bad at, having destroyed the family kitchen ten times without remorse. He is the student council president and an exorcist. He hates supernaturals and enjoys teasing Akane.

A first-year at Kamome Academy High School and Nene's best friend. She likes Akane but keeps turning down his confessions. She is elusive but easy to read when embarrassed. A top student and a girl.

The second son of the Minamoto clan of exorcists and Teru's younger brother. He is currently struggling with his identity as an exorcist due to Hanako-kun and his former classmate Mitsuba becoming supernaturals. He is hot-blooded and likes Nene. First person: I (rough, casual).

The No. 6 of the Seven Mysteries, also known as Hakubo. A supernatural who has existed since long before Kamome Academy was founded. He is attempting to close the boundary between this world and the next to settle the supernatural incidents occurring within the school.