Mother Asahi and son Taiichi do not engage in penetration, but they regularly perform handjobs and oral sex. Asahi feels a sense of taboo about their relationship but cannot refuse Taiichi's demands. She also has unmet sexual desires and secretly yearns for Taiichi more than her sexless husband. Torn between her roles as a mother and a woman, she finds herself indulging in this forbidden relationship…struggling with such a dilemma.
