FNS-199 | Playing pranks with classmates while preparing for the school festival. The rope of the handcuffs used as a prank digs into her skin, triggering her masochistic side—her hips wriggling and her voice suppressed, she awakens as a masochistic pet. From that day on, we become addicted to playing S&M games, a secret we must keep from our classmates... Yoda Rin