To treat the side effects of the Sianacin drug, Pilsang ends up living with Jooeon. Through hard to read and mysterious, Jooeon shows unexpected care and concern for Pilsang. When Pilsang jokingly asks, "Do you like me or something?", Jooeon bursts into laughter, telling him to stop talking nonsense-but at the same time, refuses to let Pilsang out of his sight for even a second. Then one day, Jooeon suddenly starts acting unusually sweet and affectionate. Just as Pilsang starts thinking, "What the hell is this guy up to?", a strange feeling begins to grow in his heart... A choatic and fiery cohabitation story between Jooeon, a silver-spoon chaebol heir, and Pilsang, a loan shark who's lived a rough life-how will their battle of wills end?