After meeting an older man at an SM bar and remarrying him, Shishido Riho discovers that all of his sons are submissive too. Her new husband and his three sons each have their own complicated masochistic tastes, so the busty new matriarch must cater to every one of their fetishes. Managing the ejaculations of an entire household every minute of every day is hard work, but this strange new life turns out to be surprisingly fun. Follow the busty mommy as she lovingly dominates every submissive man in the family.