SKMJ-403 Couples in love challenge each other to a swapping game where they exchange partners！！If you make the opponent's girlfriend & boyfriend cum more, you win 1 million yen!? For victory, activate extremely erotic skills ww For the prize money, have s

Film Introduction

Loving couples swap partners for a swapping game to win prize money! Fourth installment of the series!! The couple that makes the other's girlfriend & boyfriend cum more wins ¥1,000,000!? Couples who meet for the first time swap partners!! Will they have sex with someone else in front of their lover's eyes for the prize money?