Shin Dong-youp and Sung Si-kyung embark on a laughter-filled journey to Taiwan, aiming to gain a deeper understanding of its sex culture and business.

Shin Dong-youp and Sung Si-kyung dive into adult entertainment in Japan, meeting people from all walks of life to demystify the "taboo" experience.

The guest is king — but so is the host! Yu Jae-seok opens his first B&B, where he runs things his way and treats guests to his signature games.