親が留守の数日間、2人っきりの家の中で妹の盗撮を繰り返す兄。卑劣な行動はエスカレートし、我慢の限界に達した兄は発育した妹の体に手を伸ばす…スク水マニアの変態兄は妹に歪んだ性癖を要求し身体の隅々まで食い尽くす！初めは抵抗していた妹も兄の度重なるスク水中出しSEXの虜になり最後は自ら兄ち○ぽを求めるように…スクール水着と未だ発育中の純粋無垢な爆乳の妹は最高の組み合わせ！
While their parents are away for a few days, a brother repeatedly secretly films his younger sister in their empty house. His despicable behavior escalates, and when he reaches his breaking point, he reaches out to his sister’s developing body… This perverted brother, obsessed with school swimsuits, demands his twisted sexual desires from his sister and devours every inch of her body! At first, the sister resists, but she becomes addicted to her brother’s repeated creampie sex in her school swimsuit, and eventually she finds herself begging for his cock… A school swimsuit paired with her innocent, still-developing, massive breasts—it’s the ultimate combination!

– JavGG.net