An honest rental room that fulfills couples' unmet desires by providing the location, props, and even excuses. This time, a couple who met at a mixer appears. They used to enjoy sex daily when they first started dating, but lately their relationship has become repetitive, leaving the girl feeling unsatisfied. Meanwhile, the guy, inspired by appearing in adult videos, has developed a desire to dominate and train his partner, prompting him to apply to the "Costume Room" he's been curious about for a while.