Her son Ryota has made a good friend named Hashimoto. Nene is happy and welcomes Hashimoto as a mother when he comes to play, but Hashimoto's real purpose is to meet Nene. While pretending to play with Ryota, Hashimoto always sneaks a peek at Nene with lewd eyes. One day, Hashimoto finally succeeds in peeking at Nene indulging in masturbation. Her overly seductive appearance makes the young man's desires run wild.