Just once... seeking stimulation with a casual mindset, a beautiful wife named Rin met a man on a dating site and had sex with him at a hotel. After meeting several times, the man started coming to her house. Tied up all over, scolded in a harsh tone, and trained, Rin eventually became submissive to the man, establishing a master-slave relationship. The masochistic nature of Rin finds joy in obeying her master, becoming unable to leave the pleasure of being bound!
