Nozomi, a young married nurse with glasses, is assigned to look after Omachi, a patient with a large penis who is hospitalized at Umanami Hospital. Because of her job, she should be used to seeing male genitalia, but she is excited when she sees Omachi's huge penis. One night, while patrolling the hospital room, Nozomi witnesses Omachi masturbating with his disabled hands. When Omachi confesses to her that he can't sleep because he's pent up, Nozomi helps him masturbate...