After being repeatedly evicted due to his intimidating appearance, Park Taeju finds a new place to stay through a friend's recommendation—at the home of Ju Hajin, an economics major known for his elite reputation. However, upon moving in, Taeju is shocked to discover condoms and sex toys scattered around the house, revealing that his new roommate has a notorious reputation as a sex addict. Despite the initial misunderstandings and clashes in their chaotic cohabitation, the two slowly start to become aware of each other in unexpected ways. Can they navigate this unconventional living arrangement and find common ground?