Song : Lost by Ahn Ji Yeong (안지연) OST Part 3
Drama : The Smile Has Left Your Eyes [tvN]
Published by Genie Music (지니뮤직 )
Agency : Stone Music Entertainment

Credits
Lyrics & Composed & Arranged by 이래언, Realmeee
Guitar 박준하
Piano 이래언
Recorded by 김시민, 신동주 @TONE Studio
Mixed & Mastered by 김대성 @TONE Studio