Synopsis: Swingers

"Thanks for coming all this way." "Oh, it's nothing. We came here to have fun too." Yeon-hee and Seon-rin, a couple of four years who are engaged to be married next spring, visit 'Musan' for a vacation to see Yeon-hee's friend, Yoon-ji, and her husband. In the beautiful, natural town of Musan, the four of them end up spending some 'secret and special time' together... ♥ _Source: Lezhin, translated_ Original Webtoon