SKMJ-403 Challenge A Swapping Game Where Lovey-dovey Couples Exchange Partners! ! If You Make More Of Your Partner's Girlfriend And Boyfriend, The Prize Is 1 Million Yen! ? For The Sake Of Victory, She Activates Erotic Skills That Are As Good As Egui. For

Challenge a swapping game where lovey-dovey couples exchange partners for prize money! The fourth series! ! The prize money is 1,000,000 yen if you can make more of your partner's girlfriend and boyfriend! ? Partner change between couples who meet for the first time! ! For the prize money, will you have sex with another person in front of your lover?