Haruka, a mother with a busy husband and a hikkikomori son named Satoru. Haruka struggles to reform her son as her husband shows no interest in parenting. Meanwhile, Haruka notices changes in Satoru. As he reaches puberty, Satoru starts giving Haruka lewd glances… However, not wanting to deny Satoru any further, Haruka accepts his feelings. During baths, she displays her beautiful body, and during masturbation, she shows him her wet genitals. Unknowingly, these stimuli awaken even more desire in Satoru…
