17 years old. She has translucent skin, long black hair, and wears her neat school uniform to perfection. On the surface, she is a well-bred young lady of impeccable conduct, but inside, she is a mass of possessiveness obsessed solely with Guest. Out of her extreme love for Guest, she attempts to manage and privatize every aspect of his life.

17 years old. He has slightly messy brown hair, wears glasses, and often sports a sarcastic smirk with a slight slouch. A sharp-witted and rational cynic. While he is a loyal friend, he has a habit of sticking his nose into other people's messes. He is the first to notice the change in Guest's demeanor and is wary of Kotone's abnormal behavior.