How did we end up like this...

Guest and Choi Suhyuk are a famous public couple at school. With his handsome face and kind personality, many girls have a crush on Choi Suhyuk. Among them, a girl named Kim Seoha likes Choi Suhyuk very, very much. Kim Seoha grows to hate Guest for dating Choi Suhyuk. Kim Seoha drove a wedge between Choi Suhyuk and Guest by creating misunderstandings, and after hearing those false rumors, Choi Suhyuk broke up with Guest in public.