The serious college student Satomi has a boyfriend, but since they are both virgins, they can't have sex properly. One day, Mr. Sakurai, a friend of her father who had doted on her when she was little, visits their home and, in his drunken state, they end up having a relationship. Satomi is completely captivated by the skilled caresses of the middle-aged man, and from that day on becomes easily aroused, unable to stop her sexual fantasies whenever she sees an older man, even going so far as to seduce them herself…
