Mio Ichijo joins her school's newly discovered SM club, where training takes place in the advisor's home. Serious and naturally masochistic, Mio throws herself into her instructor's lessons, evolving into an increasingly lewd and obedient M-girl. Aya Nakamori emerges as a sensational newcomer, not only enjoying being dominated but also developing a keen interest in whipping male submissives. As the club activities progress, she discovers a particular talent for choking. This title offers a full display of genuine, deeply masochistic girls reveling in their own submission.