Keyber, Keyber, Keyber. Neither of them had the slightest idea how that one stupid story could cause the craziest time of their lives. ‘Key had never found love until he met world superstar, Justin Bieber...’ -

Sungkyu’s family business, all under KF company, is in trouble. In three years, the company will fall into the hands of young, unexperienced Sungkyu. The KF company has to follow the unchangeable company rules: a young new leader every 21 years. Sungkyu’s parents order him to marry, justifying it to give him experience in leading a company. Sungkyu chooses Taeyong, a childhood best friend, to comfort him and marry him.

   Lee Chaerin comes to Seoul, South Korea to study for her study abroad year, while also meeting her long-time best friend, Ok Taecyeon. He's been her best friend sin