유세윤은 2월 11일 선보이는 연애 프로그램 “예쁜 연애 시즌2”의 OST ""예쁜 애”의 음원을 공개하였다. [Credits] Lyrics by 유세윤 Composed by Kazef, YEL, 지성규, +1 Arranged by 고태영 Chorus by Soulman Drums by 정동윤 Guitar,Bass,Keybord by 고태영 Recorded by 김태현 @ Studio M-Lab, 조영록 @ Make the Soul Studio, 김형준 @ Make the Soul Studio Digital Edited by 김민희 Mixed by 조영록 @ Make the Soul Studio Mastered by Sangwook ""Sunny"" Nam Mastered at Jacob's Well Mastering, West Lebanon, NH Executive Producer Suho Bae @ Studio M-Lab