2019年敬请关注！

简介：

yle="color: rgb(17, 17, 17); font-family: Helvetica, Arial, sans-serif; font-size: 13px; text-wrap: wrap; background-color: rgb(255, 255, 255);">　　Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routine and add a spicy touch to their love life.