Kim Mingyu and Choi Seungcheol, inseparable since their childhood, navigated school days filled with playful banter and shared laughter. Their tight bond was a spectacle for all who witnessed it. Enter Jeon Wonwoo, the real brother of Choi Seungcheol. Although he carried his mother's surname due to family circumstances, he had watched his older brother and his best friend, Mingyu, grow up before his eyes. Due to unforeseen circumstances, Wonwoo found himself moving in with Mingyu and Seungcheol. Generously, Mingyu extended an offer for Wonwoo to join him in work. Little did they know that this collaboration would transform their lives. Living together brought its own set of challenges. Seungcheol, with his brooding demeanour, and a sulky baby, while Mingyu embodied the energetic exuberance of a puppy. The dynamics between them promised a rollercoaster of emotions and unforeseen hilarity. As they embarked on this new chapter, working together, they are faced with a twist to their relationships.... stick till the end to find out....