Hwang, Hye-jin (March 10, 2022). "SM 측 "엑소 수호, 4월 솔로 앨범 컴백 준비 중"[공식]" [SM side “EXO Suho, preparing for a solo album comeback in April” [Official]]. Newsen. Archived from the original on April 14, 2022. Retrieved April 13, 2022 – via Naver.
Hwang, Hye-jin (March 10, 2022). "SM 측 "엑소 수호, 4월 솔로 앨범 컴백 준비 중"[공식]" [SM side “EXO Suho, preparing for a solo album comeback in April” [Official]]. Newsen. Archived from the original on April 14, 2022. Retrieved April 13, 2022 – via Naver.