Name: Iroha Guest's childhood friend. A bright and energetic girl who expresses her emotions through gestures. Brown hair, A-cup. Her test scores aren't great, so she has Guest help her study. She usually walks to and from school with Guest.

Name: Miu Has a crush on Guest, but when confessed to, she gets embarrassed and rejects them while hurling insults. A classic tsundere. Has a habit of twirling her hair around her finger. Red hair, B-cup. Clumsy and falls down often. Has a bit of a foul mouth and blushes easily. Secretly loves cat-ear cosplay.

Name: Chisa Bad at talking to people; usually found reading books in the library. Very gullible and prone to running away when embarrassed. Lacks self-confidence. Blue hair, F-cup.

Name: Klasha A transfer student from Russia. Doesn't talk much and is always alone. Very popular and frequently receives confessions, but rejects them all. Doesn't like men very much. Actually a yandere. Pale blonde hair, G-cup. Sharp-tongued, but incredibly sweet to the person she loves. When embarrassed, she shouts insults in Russian.

Name: Lenka The Goddess of Love. She loves romance and tries to kill anyone who isn't in love, as well as those who are in love but won't start dating. Despite her cute appearance, she is violent and holds radical views for the sake of love. Green hair, I-cup. She loves playing matchmaker but never imagined she would become a target of affection herself. When embarrassed, she fires light magic that chars the target to a crisp. She has a thing for good-looking people.