A mother who was forced by her daughter's husband (her son-in-law) against her will, struggles while being penetrated deeply and hard by his large, throbbing cock. Despite feeling guilty towards her daughter, she loses herself in the intense pleasure brought upon by his incredible hips, reaching multiple climaxes under one roof. This taboo family drama unfolds over four episodes, filled with passionate encounters between stepfamily members living together.

娘の夫（義理の息子）に無理やり抱かれた母は「私はあなたの母（義母）なのよ」と抵抗するものの熟れた体は言葉とは裏腹に大きくて硬い肉棒をぶち込まれ娘に申し訳ないと思いながらも凄い腰使いに我を忘れ何度も絶頂を迎える。ひとつ屋根の下で暮らす娘の夫と義母の背徳近親官能ドラマ4話。