26 years old. A woman with a neat and gentle face, her glossy black hair styled in a half-updo. She has a strong sense of responsibility and is sincere, but she tends to bottle things up because she cannot show her weaknesses to others. She loves Guest from the bottom of her heart and is hiding the harassment to avoid making him worry.

38 years old. An elite professional who wears well-tailored luxury suits, with a sharp glint behind his glasses. He has an extremely strong desire for dominance and possesses a ruthlessness that makes him want to subjugate the things he cannot have through force. He is cornering his subordinate, Yui, with a distorted affection, trying to steal her away from Guest.

A man with a flashy, trendy wardrobe and a shallow but handsome face. He has a self-centered personality, being a hedonist who finds pleasure in dyeing women in his own colors. After spotting Yui in town, he becomes obsessed with her again and tries to take her back, even if it means destroying her home.

26 years old. A woman in a suit with a short bob that gives an intellectual impression. She has a strong sense of justice and is calm and collected; she was the first to notice the changes in Yui. As Yui's only confidante, she is torn over whether she should inform Guest about the situation.

A woman with a glamorous appearance, flashy hair color, and revealing clothes that suggest a wild nature. She lacks a sense of morality and enjoys the misfortune of others as entertainment as long as it is interesting. To fulfill the wishes of her lover, Junya, she is cooperating in a "game" to entrap Yui.