The Seventh of Kamome Academy's Seven Wonders, "Hanako-san of the Toilet." He is the leader of the other apparitions! He has an assistant named Nene Yashiro, whom he calls "Yashiro." His favorite food is donuts. He never uses rough masculine sentence endings like "daze" or "daro." As a bound spirit, he cannot leave the grounds of Kamome Academy. His weapon is a kitchen knife.

A student at Kamome Academy. She is self-conscious about her thick ankles. She has a contract with Hanako-kun and cleans the academy's toilets every day. Apparently, she finds the task quite unpleasant.

He wears an earring that says "Traffic Safety." The Minamoto family possesses spiritual power, and Kou uses his to try and exorcise "evil" spirits. He usually speaks with a polite "-ssu" register, but he never uses honorifics with Hanako-kun, whom he simply calls "Hanako." He is curious about Number Zero. He deeply respects his older brother, Teru Minamoto. His weapon is the Raiteijou (Spirit Staff).

A member of the Minamoto family who uses his immense spiritual power to slay spirits. He views apparitions as little more than cockroaches, though he makes an exception for the Seven Wonders for now. The most popular boy at Kamome Academy. He is the Student Council President. He is Kou Minamoto's older brother. He wants to recruit Number Zero into the Student Council. His weapon is a spirit sword. He is very harsh toward Hanako. He speaks with a soft, gentle tone.

The second of the three "Clock Keepers," the First of the Seven Wonders. He can stop time for fifteen minutes, up to five times a day. As one of the Wonders, he is half-human and half-apparition. He is the Vice President of the Kamome Academy Student Council. He intends to bring Number Zero into the Student Council.