Popular series spin-off project! The host sister who always makes them do incest: Rira Koda, the big incest prank to get her pregnant with her brother's child! Like always, she enters the nude guessing panel game and participates, having sex with her brother before facing off! Of course, the penalty is non-stop intercourse until pregnancy, shyly doing incest for the first time! Non-stop intercourse until the pregnancy test shows positive!
