The Bedmate Game: Sharehouse

Juri joins the adults-only dating show 'Must-Sleep-Together Sharehouse', where contestants must change bed partners daily and show physical affection every day. Inside, she reunites with her ex-boyfriend Yuta, the gentle Akihito, and the seductive Umi, while their ex-girlfriends move in as well. Romance or prize money? Juri wavers between instinct and reason.

This is season 1 so yes, also I have no idea because I did not watch the season 2 but season 1 will surely be similar, I watched season 1 because of some ads on my Instagram