Kim Jae Hwan has revealed a new concept photo for his solo comeback.

In this image, the male soloist gets charismatic as he poses dressed in a dark winter outfit. As seen in the concept trailer, his concept this time around is moody, formal, and mysterious. Recently, Kim Jae Hwan also performed as a Wanna One for their reunion stage at the 2021 Mnet Asian Music Awards.

Kim Jae Hwan's 4th mini album 'The Letter' will be released on December 27 at 6 PM KST.