Mother Miki and son Satoshi lived together in a single-parent household. - Miki was employed as a caregiver at the home of her son's classmate, Takaya. - Takaya lives with his grandmother after being posted overseas. - When Miki comes every day, adolescent Takaya sees Miki as a woman. - Takaya can no longer hold back and forcibly hugs Miki. - Satoshi finds out about this...