A rich girl that Nitta was assigned to. Kanoko is a lonely person belonging to a rich family, with a father and a stepmother, Yoriko. At first, her relationship with Shin only appears to be a forced relationship, with Kanoko taking advantage of the debt to command Nitta to do her errands. However, this changes as Shin learns of her childhood, and bonds closer with Kanoko.
She is addicted to sex, as she was influenced by her other friends.