Pain is pleasure! A masochistic woman's crazy orgasm! A perverted beauty screams with pleasure as she is slapped and choked, in pain and humiliation! A young beauty in a uniform has a secret rendezvous with some suspicious men in a suspicious room! A powerful slap turns her on, revealing the true nature of a masochistic, perverted sex room! She is choked, has difficulty breathing, and goes blank! "Hina appears to be a serious and neat-looking girl. She sneaks off to a certain place. When she enters a dark room, she..."