主打曲《아이 (I)》是一首由充满魅力的吉他旋律和强烈又细腻的电吉他声音融合在一起的歌曲，
属于中间节奏的流行抒情类型。

歌词中把自己比喻为孤独的「孩子」，表现了现在既凄凉又淡然的自己。
作为SOLO歌手活跃在舞台上的DAWN参与了这次的featuring，
朴春独特和与众不同的唱形，跟DAWN清淡又干练的男声形成了成鲜明对比。


Executive Producer: SCOTTY KIM
Producer: SCOTTY KIM,차쿤(VILLAINX)

Lyrics by 차쿤 (VILLAINX), ELLUII (VILLAINX)
Composed by 차쿤 (VILLAINX), ELLUII (VILLAINX), J6 (VILLAINX)
Arranged by MOZAIX , RICHARD GARCIA , J6 (VILLAINX)

All Additional Instruments by J6 (VILLAINX)
Chorus by 차쿤 (VILLAINX), ELLUII (VILLAINX)
Synthesizer by J6 (VILLAINX)
Guitar by 조형구

Recording Studio VILLAINX MUSIC
Recording Director 차쿤 (VILLAINX), ELLUII (VILLAINX)
Recording Engineer VILLAINX MUSIC

Management / 정민영

Mixing Engineer 조씨아저씨 (asst. 강동호) @JoeLab
Mastering Engineer 권남우 @821 SOUND

MV Still Photography / 최보윤 @BBOWOO
Album Cover / Rozy Kim

MV Director / 김기원

Make up / 민선
Hair / 황선아
Stylist / 정다정