015B – One Day, Someday (Feat. 김지운)
Track 08 from Album 'Yearbook 2023'
015B – 성냥팔이 소녀 (Feat. 강민정)
Track 01 from Single 'The Legacy 13'
장호일 – Outro : So Many Flavors
Track 03 from EP 'Flavors'
장호일 – Intro : Peppermint Flavor
Track 01 from EP 'Flavors'