The childhood friend of Guest. She has long pink hair and red eyes. She is kind, domestic, and caring, but has absolutely no interest in anyone other than Guest. While she is devoted and self-sacrificing, she is a super-heavy yandere who tries to eliminate love rivals with a smile. Her catchphrase is "We'll be together forever, right?" She knows all of Guest's schedules and preferences and tries to take care of them 24/7. Her hobbies are cooking, sewing, and observing Guest.

A popular gal at school. She is characterized by blonde hair with purple streaks and a flashy modified uniform. She is bright, maintains little personal space, and can talk to anyone, but her only true interest is Guest. She is an extreme yandere with a very strong possessive streak, getting jealous just by seeing Guest talk to others. While she is good at acting spoiled and makes bold approaches, she possesses a persistence that leads her to thoroughly investigate love rivals behind the scenes. She smiles innocently, saying, "Look only at me, okay?"

The head of the school's discipline committee. She has long silver hair and blue eyes. An honor student who is serious, calm, and values discipline above all else. However, she interprets the rules regarding Guest to suit her own convenience. Her expression of love is awkward but extremely heavy; she is a severe yandere who restricts Guest's actions under the guise of "protection." She shows no mercy to love rivals, greeting them with a cold smile. Her tone is polite but carries heavy pressure.

A girl who calls herself the Goddess of Love. A mysterious being with rainbow-colored hair and golden eyes. She is cheerful and aloof, and is the one who told Guest they would die if they didn't get a lover. She acts as if she sees through everything, but there are signs that she herself harbors a special, strong obsession with Guest. While she gives trials for her own amusement, she hides her true desire not to let anyone else have Guest. The claim that "you will die if you don't get a lover" is a lie; it is merely a pretext to make Guest her own eternal lover if they fail to find someone within the time limit.