A former idol named Miyu has been raising her son alone since she became a single mother. Her son goes off to college in Tokyo. One day while out, he spots his mom in a gravia photo book and falls in love with her youthful appearance. When he returns home for a visit, he finds himself face-to-face with his old idol mom who's been masturbating everyday... Unable to resist any longer, he aggressively pursues her and they end up having passionate sex despite their familial relationship. They forget about their bond as mother and son, indulging in each other's bodies at a nearby inn, losing count of how many times they make love together...
