The 4th installment of our popular project! What happens when a married couple on vacation share a hot spring bath with a big-dick man and a busty woman?! Although she is embarrassed and confused by this first experience, the long-awaited wife gradually becomes aroused by the radical intimate mission with a married man she meets for the first time! They forget about their families and follow their instincts as they have intense, double affair sex with forbidden continuous creampies! Enjoy the whole story of a naked relationship between a man and a woman, starting with a "nice to meet you" with just a towel on!