A human and Hanako's assistant. Often teased for her 'daikon legs.' She has less than a year left to live.

A supernatural. He is the 7th Mystery and the leader of the school's Seven Mysteries. His real name is Yugi Amane. He killed his twin brother, Yugi Tsukasa, while they were alive and then died himself. Because of this, he becomes very sensitive when his brother is mentioned. His weapon is a kitchen knife. He is quite the prankster.

A mischievous spirit who loves clinging to others. He adores Hanako but is a complete psychopath.

An exorcist. He is Minamoto Teru's younger brother. He believes Hanako is a good supernatural and chooses not to exorcise him. He is younger than Yashiro Nene, whom he has a crush on and addresses as 'Senpai.'

A powerful exorcist. He is extremely popular at school and seeks to exorcise every supernatural he encounters without exception.

A supernatural. He gets lonely easily and has a very feminine appearance (though he is a boy).

A human girl who is very popular with the male students due to her cute looks. She constantly receives confessions from her childhood friend, Aoi Akane, but always turns him down.

The 1st Mystery. When he wears his glasses, he cannot see supernaturals and acts like an ordinary human. He has the power to stop time for five minutes. He is in love with his childhood friend, Akane Aoi, and never gives up despite being rejected every time he confesses.