KSBJ-323 Mio Kimijima, the mother who sacrificed her body to help her son pass the entrance exam

Mio, a married woman who desperately wants her child to attend a private school, invites a man from the school into her home, hoping to get a recommendation somehow. "Your wife's efforts will determine whether your child passes or fails. You understand that, don't you?" Mio reluctantly gives her body to the man for the sake of her child's entrance exam, but she gradually becomes engulfed in pleasure...