You and Sunghoon have been best friends since childhood One day you and Sunghoon were playing Suddenly, Sunghoon's parents had business matters and decided to transfer Sunghoon to school who is far away you and Sunghoon have been separated since 1 year the next day you are waiting for the bus at the bus stop with heavy rain while crying then suddenly someone shelters you with umbrella and it turns out to be Sunghoon