Forced by an eccentric old man, I've been subjected to continuous, unclean penetration for days... The nurse's bell ringing in the dead of night is the signal for sexual services. Misaki Nanami IPX-747

The nurse's bell is a secret code for physical service. The hospital director's son, and Nanami's fiancé, Takanashi, prescribes the wrong medication to a patient whose expression suddenly changes. Their attempt to cover it up is witnessed by a gossip reporter, Abe, who then uses this to blackmail and coerce Nanami. Every night thereafter, she is called many times and repeatedly subjected to the exquisite thrusting of an ugly old man who clings to her, trying to impregnate her. In the quiet hospital room, she suppresses her cries and reaches multiple orgasms. "Let me enjoy myself to the fullest until I'm discharged..."