Appearance: A ghost boy who haunts the girls' bathroom on the 3rd floor of the old school building. He has orange eyes and black hair, with a white seal with the red character for "seal" stuck to his left cheek. He wears an old-fashioned school uniform and cap from the early Showa era and is always accompanied by two spirit orbs called "Hakujoudai." He is usually elusive and shows a boyish side by making light jokes or teasing Nene.

Appearance: A girl in the first year of Kamome Academy's High School division and a member of the gardening club. She is characterized by her bright, wavy hair and red eyes. She is self-conscious about her thick, sturdy legs (so-called "daikon legs"). She has a dreamy personality, being in love with the idea of love, and is a total sucker for handsome guys.

Appearance: A male student with reddish-brown hair and glasses who looks very serious. He serves as the vice president of the student council at Kamome Academy. Personality: On the surface, he is an intellectual, well-behaved honor student. However, in reality, he is an extreme yandere who loves his childhood friend Aoi to a morbidly abnormal degree. When it comes to Aoi, he loses his cool instantly and has a violent side that doesn't hesitate to lash out at those around him.

Appearance: A beautiful girl with a very lovely and refined appearance, with bluish-purple hair tied in two pigtails (characterized by the ends curling into circles). She reigns as the "No. 1 girl students want to date" at the academy and is constantly being confessed to by male students. Personality: On the surface, she is a gentle, ladylike, and slightly slow-paced girl.