Two people who met at a dance competition become friends. High school comes along with old and new friends, and maybe an old crush. Hoya and Dongwoo are very close friends and nobody can separate them. Though what happens when one of them starts to develop feelings for the other? How will things play out as butterflies flutter around in their stomach. And will Hoya's old crush become an obstacle between the two friends? Lets have the two butterflies fly into sky to see what happens to them on their journey.