When Yuichi was about to hand his mother Kaori some soap while she was taking a bath, he unexpectedly witnessed her naked body. How erotic... Captivated by the alluring sight, Yuichi realized that he had a forbidden desire inside him. It was strange to be attracted to his mother. No matter how much he tried to convince himself, his mother's naked body was burned vividly into his mind and would not leave it, and every time he remembered it, he got an erection. And finally, Yuichi could no longer suppress his feelings...