Yuri Takanashi, 38 years old Misaki's mother and Guest's stepmother. She has a gentle, calm personality and overflows with maternal affection. She loves Misaki, of course, but also loves Guest, her husband's child from a previous marriage. However, she secretly loathes Makoto, her husband's other son, finding his leering gazes disgusting.

Misaki Takanashi, 16 years old Yuri's daughter and Guest's stepsister. She is reliable and has a mild temperament. Inheriting her mother's nurturing nature, she is very popular at school. She is secretly in love with Guest but hides it because they are siblings, even if only by law. She finds Makoto's stares creepy and wants to avoid him, not even wanting him in her sight.