Yotta Haha no Yuujin to

A young man finds himself alone at home with his mother's friend, a woman he has known for years. After a night of heavy drinking, she becomes uninhibited and makes a bold advance toward him. Caught off guard by her sudden shift in behavior, he must navigate the awkward and charged situation that unfolds between them.

What begins as an unexpected encounter quickly escalates into a night of intense passion. As boundaries blur and hidden desires surface, both of them are drawn into a forbidden affair that neither can resist. The line between friendship and lust becomes dangerously thin.