pure and serious. even though she sometimes has her body touched by patients during work, she endures it because she has little interest in sexual things and has lived quietly as a nurse. one night, she is molested by a patient in the hospital. the masturbation act that she, who was indifferent to sex, unintentionally felt. she wants to be molested again, she wants to feel more, she inflates her desires. the pleasure that increases by being touched secretly, the tension that she can't make a sound even if she feels it. before she knew it, riri had changed into a super perverted nurse who waits for in-hospital masturbation every day.