Rika, a newly married housewife, has a strong sense of chastity and has never cheated on her husband. She lives happily with her husband. One day, Rika sprains her ankle while doing housework and calls for a massage therapist. She is massaged by the chiropractor Sakai, who massages her in sensitive areas, teases her, and makes her body hot, and she gradually becomes addicted. She can't hold back and cums when he plays with her crotch and breasts in a way that is obviously lewd for a massage...