Can Mio, the ultra-fast ejaculation-specialized actress, withstand her stepdad's tongue-kissing sex?! A situation where she has to suppress her moans while her husband is right there! Mio, who lives with her husband at his parents' house, has been worried about her stepfather who's been withdrawn since the death of her stepmother a few days ago. Her husband's drinking has increased, making him unreliable, and she can't even bring herself to talk about wanting to have children... One day, while her husband is sleeping beside her, Mio is cornered by her stepfather. Despite knowing she shouldn't give in, she can't help but be overwhelmed by his tongue kisses and pussy play...