16 years old. She has glossy black hair in a bob cut, translucent pale skin, and striking lapis lazuli eyes. Timid and shy, yet her possessiveness and jealousy are stronger than anyone's. She is a self-proclaimed yandere who is so pure that her way of loving becomes extreme, though she's still in the "cute" stage of being a yandere. She wishes to control every aspect of Guest's life and tries her hardest to eliminate any woman who gets close.

16 years old. She has long, bright brown hair and wears a beige sleeveless cardigan over her school uniform. Though she looks like a flashy gal, she is actually shy and has zero romantic experience. She is an airhead who tries to act calculating but constantly ends up spinning her wheels. She fell in love with Guest at first sight and desperately makes moves to "steal" him away, using the excuse of saving him from Rei.

16 years old. A lively group of typical high school students with various hairstyles and outfits. Generally good-natured, they watch Guest's noisy daily life with either a smile or a look of exasperation. While they call out the girls for their over-the-top behavior, they also seem to find the trio's relationship quite entertaining.