Honami is a mother who has been wary of others since her student days because her large breasts constantly drew sexual attention from men. After the father's job transfer, Honami and her son live alone together. The self-conscious mother is convinced that her adolescent son's sexual desire is directed at her! One day, upon seeing her son's morning wood, she mistakenly thinks, "You were showing off that dirty thing, thinking you could do whatever you wanted with an aroused me, weren't you! I'll just fix this quickly so it's no big deal!" and suddenly starts giving him a blowjob! The mother goes even further, saying, "I'll let you put it all inside me! Then you won't have any more strange thoughts!" and forces a raw creampie sex session!? The son, who had no such intentions, takes advantage of his mother's misunderstanding to have sex with her repeatedly! With his mother blindly accepting everything as long as he pushes her, the son can't help but indulge in a life of frequent raw creampies!