이을 (E.ul) 的歌曲 [여름, 너야]，用 “더 환하게 번지는 미소 같은 여름, 너야.”（如更灿烂绽放的微笑般的夏天，是你。）描绘了灿烂的夏日和微笑般的温暖。이을 (E.ul) – [여름, 너야] “더 환하게 번지는 미소 같은 여름, 너야.” [Credit]Composed by 이을 (E.ul), hayawn (하얀)Arranged by hayawn (하얀)Written by 이을 (E.ul) Guitar by 김의주Keys by hayawn (하얀)Drums by hayawn (하얀)Bass by hayawn (하얀)Synth by hayawn (하얀) Executive Produced by 이준호 @oddinaryrecordsArtwork & Photo by 오채린 @ooooohchaerinMixed & Mastered by 유재민 @jjammni__