"I was in love and I didn't know it So I didn't show it I just turned and walked away Now I'm waiting to step outside Into the cold, the breathless harmony. After graduating high school Soobin and Yeonjun enjoyed their night at a party with some friends. Everything was going as planned as he was ready to confess his feelings for him that nigh. That was until Soobin broke the news about moving to Seoul for college. After a heated argument the two eventually went their separate ways and never saw each other again. Years later, Yeonjun forgot completely about him and moved to Seoul. Until one day he saw the person he tried to his hardest to forget. Memories from high school started flowing back as he saw him walk away with someone else by his side.