Nanako, the stepmother troubled by her relationship with her stepson Yasushi. She worries about him as he rarely leaves his room due to exam studies and goes to check on him... only to find him asleep with an erection exposed. Seeing Yasushi's impressive cock, Nanako feels a throbbing in her crotch and can't help but start jerking him off... Then, when Yasushi wakes up and begs for more, she guides him to release. However, Yasushi isn't satisfied with just one orgasm and insists while showing his erect penis, Nanako, like a burnt log catching fire, can't refuse...
