When Shin Seyoung unexpectedly finds her new roommate is a man, Kang Jinwoo, their first encounter involves an embarrassing incident. Despite the awkward start, they strive to move past it. Although Seyoung gives off a cute and clumsy vibe, she hides a surprising secret—she's a pervert with a vivid imagination and a penchant for masturbating in inappropriate situations. Jinwoo notices her habit, leading to comedic yet complicated interactions as they navigate their growing bond. As they confront their similarities, a deeper connection forms, adding excitement to their workplace dynamics.