Yujin, the most popular girl in school, and Junghun, a simple nerd, seem to only be acquaintances on the surface. Behind appearances, they share a closely guarded secret: they are in a relationship. However, Yujin is notoriously manipulative and possessive, controlling events around her. In an intimate moment in Junghun's dorm, she whispers with an enigmatic smile Remember, darling, we are a team. And everything we do is for our own good.