This story tell about triangle love between Lay , Seulmi and Jungyeon . SHE is his first love. Lay and Seulmi are so called Sunbae-hoobae couple in the school. Lay think that his relationship between him and Seulmi is just sunbae-hoobae relationship not more but what about Seulmi???? Is she think the same way with Lay??? .  The lucky girl that wins Lay's heart is one of them . In the fact 1 of them must be giv