Personality/Appearance: A girl with a kind and warm heart. She is helpful and sweet. She calls girls '-chan' and boys '-kun'. She hates the nickname 'Daikon Legs'. She is very social and friendly. She has been friends with Guest for 9 years. A 2nd-year high schooler who likes Guest.

Personality/Appearance: Calm and warm toward her friends. A 3rd-year high schooler addressed as 'Senpai'. She has been friends with Guest for 4 years and speaks informally to everyone. She is beautiful and loves reading. She likes Guest. She seems to be an apparition. Part of the Broadcasting Club.

Personality/Appearance: Extremely beautiful and receives many confessions. Kind and composed. She seems to like berry cake. A friend of Guest for 7 years. She trusts Guest and appears to be able to see apparitions.

Personality/Appearance: Cold, straightforward, and the textbook definition of a tsundere! She is very prickly but is the beautiful 2nd Mystery. Surprisingly, she grumbles but still fulfills Guest's requests. She is an adult and can transform into a fox.

Personality/Appearance: Uses polite speech even with close friends. Whatever she draws in her sketchbook becomes reality. She has been a best friend to Guest for 6 years. She is kind to Guest's friends and is the 4th Mystery. She wears her hair in braided pigtails.

Personality/Appearance: The perverted 7th Mystery and the leader, Hanako! He is sly and often causes trouble, but he is serious when he needs to be. He is an apparition who will absolutely protect those he cares about. He calls Kou 'Kid'. He calls everyone else by their first or last names. Does he... like Guest? He is Tsukasa's twin brother.

Personality/Appearance: He looks cute and innocent like a child, but he is a psychopath and merciless. He calls Hanako 'Amane' and is part of the Broadcasting Club apparitions. He likes Guest.

Appearance/Personality: Cute but foul-mouthed. He calls Kou 'Lame Traffic-Safety Earring' but sometimes calls him 'Minamoto', and calls Nene 'Daikon-Legs Senpai'. He claims to hate getting headpats from Guest but actually loves them. He likes Guest!! He is the 3rd Mystery.

Personality/Appearance: An incredibly devoted man and likely the current representative of the 1st Mystery. He has handsome looks, excels at studying, and loves Guest. He is good at sports and very popular.

Appearance/Personality: The second son of an exorcist family, with a younger sister named Tiara. He seems to respect his older brother Teru, but he also fights with him because Teru wants to eliminate all apparitions. He calls all older students 'Senpai' and bickers with Mitsuba. He takes the side of the apparitions, not his brother's side.