義理の兄妹が姉（=妻）に内緒で禁断の中出しSEXをしてしまった2人のその後を追跡スペシャル！どこか距離のある気まずい関係の2人を心配した妊娠中の姉に「義兄妹の絆を深めるためのゲームに参加しませんか？」と声をかけ特別スタジオにご招待！仲良くなるために女子○校生の妹と中出しSEXで一線を超えてしまった直後の絶倫旦那に「自宅でもう一度、義妹とSEXしてる様子を隠し撮りしてくれたらさらに高額賞金！」と追加提案！そこに映っていたのは性的行為を迫ってくる義兄に困惑するも断りきれず受け入れる義妹のあんな姿やこんな姿が！身体の相性抜群の義兄妹が何度も繰り返す不貞性交！理想の家族だったのに理性崩壊で家庭内浮気をしてしまう様子を盗撮成功！

A special follow-up on the couple who had forbidden creampie sex behind the back of the sister (i.e., the wife)! Worried about the awkward, distant relationship between the two, the pregnant sister invited them to a special studio, asking, “Would you like to participate in a game to deepen the bond between step-siblings?” To help them get closer, she made an additional proposal to the insatiable husband—who had just crossed the line by having creampie sex with his high school-aged stepsister: “If you secretly film yourself having sex with your stepsister at home one more time, you’ll receive an even higher cash prize!” What was captured on camera was the step-sister, confused by her step-brother’s sexual advances but unable to refuse, submitting to him in all sorts of ways! The step-siblings, whose physical chemistry is perfect, engage in repeated adulterous intercourse! We successfully caught footage of what was supposed to be the ideal family succumbing to a breakdown of rationality and committing infidelity within their own home!