(Daisuke, wearing those kinds of underwear... Is that what the young girls are into these days?) Mother Yuri accidentally catches a glimpse of her son wearing sexy briefs. (The fabric is digging into his crotch, making his cock bulge so clearly... It's so damn sexy...) Longing for her husband's touch and feeling unsatisfied, Yuri's surprise turns into excitement, and she can't help but give in to her forbidden desires...