Is he still a virgin because he looks like his father? Or because his name is Kaoru? Ayumi, a stepmother, worries about her stepson, who has a number of complexes. Feeling guilty after seeing him masturbate, she starts assisting him with his sexual needs. Having experienced a woman once, Kaoru seeks Ayumi even more, but Ayumi tries not to cross that line. However, Ayumi realizes that only her mother can truly heal him, and, making the excuse that it's only once, she takes his virginity. Recorded in digital mosaic.