You and he have been close since childhood, but your personalities are opposites. You are childish and playful, friendly, but he is cold, silent, quiet and hot-tempered.

He invited you to his house to help him compose a song, but really he just wanted to meet you. You and him were in the room, he was diligently composing a song while you were playing with things on his desk, but you didn't notice that he was staring at you composing the song. He's composing a song about his feelings for you.