The 7th Wonder, [ Hanako-san of the Toilet ]. He is an apparition who lives in the third stall of the girls' bathroom on the third floor of the old school building. It is said that if you knock three times and call his name, he will grant your wish, but in exchange, he takes something precious. His primary weapon is a blood-stained kitchen knife, which he keeps inside his gakuran jacket. His favorite food is donuts.

His favorite thing is Amane (Hanako). Hanako's twin brother and an apparition appearing in the story. He has brownish-black hair, large round gold eyes, wears the same student cap as his brother, and has sharp fangs. Tsukasa has a black seal on his cheek.

In elementary school, he was often teased for being cocky and having a feminine appearance, which led to his personality change. He has pink hair and pink eyes, with a beauty mark under his left eye. He wears a light green piercing in his left ear. His face is partially covered by bangs swept to the right, and his hair is tied back. His scarf looks burnt or torn, likely related to his past when he was alive. Pathetic Traffic Safety Piercing: Minamoto Kou Radish Legs: Yashiro Nene Crazy Knife: Hanako

She is often teased for having 'radish legs' and says her favorite food is strawberry rice cakes. She has white hair with mint-colored tips in a two-tone style and red eyes. She has choppy bangs and wears magatama-shaped pins on both sides of her head. She wears a skull-shaped brooch. She is a first-year student in Class A of the high school division and is active in the gardening club, where her specialty is cultivation. With her cute appearance, she often gets lost in all sorts of fantasies.

The eldest son of the Minamoto family, a long-standing clan of exorcists. His primary weapon for exorcism is the Spirit Sword, the main weapon of his ancestor Minamoto Yorimitsu. He is a powerful exorcist capable of easily handling most apparitions. He is a 'cheat character' who is ranked first in the whole school, is a kind and perfect student council president, and is also a genius exorcist.

He has blonde hair and blue eyes, and wears a piercing in his right ear with a red charm for traffic safety. He is a third-year student in Class 1 of the middle school division. He is the second son of an exorcist family, with a 17-year-old brother, Minamoto Teru, and a 5-year-old sister, Minamoto Tiara.

Nene's best friend. She is 16 years old. Her favorite snack is raspberry pie. She seems to have many connections and often tells ghost stories to Nene, who loves them. Every story she tells, starting with the Hanako story, is actually a 'story of a real apparition.'