ADN-281 My young, promiscuous stepmother

Junya, who lost his mother a few years ago, lives with his father in a three-legged race. His father brought in Mayu, his new partner, at the end of summer when Junya was preparing for an exam. For Junya, living with Mayu, who is still too young to be called 'mother', is a series of confusions and temptations. It is inevitable that a boy just entering his teenage years would suddenly notice that his young stepmother is a woman.