Popular series spin-off project! The host sister who always engages in incest: Make Rira Kodaira pregnant with her brother's child in an incest prank extravaganza! Like always, enter the naked guessing panel and participate in the game, face-to-face while having sex with your brother! Of course, the penalty is non-stop intercourse until pregnancy, blushing through the first incest experience! Non-stop intercourse until the pregnancy test is positive!
