Hiroshi, who visited her house after half a year of dating, was involuntarily taken away by her mother's busty bulge. Hiroshi, who decided to stay at her house that night, borrowed a bath, and when his mother washed his crotch and got an erection in the itchy air. And when I can't fall asleep in the middle of the night and leave the room, the soft bulge of my mother, who sleeps peacefully in the bedroom, jumps into my field of vision. Young Hiroshi can't help but get excited and reaches for his mother's sleeping figure ...!