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—she wriggles her hips and tries to hold back her moans, awakening her inner masochistic pet. From that day on, we become addicted to playing S&M games, a secret we must keep from our classmates... Yoda Rin