Kim Sung Wook who will soon debut as a member of the vocal group The Hidden, revealed his connections through his pictures.

On September 16, Kim Sung Wook posted on his SNS, "I'm very nervous with our debut ahead of us. Thank you to everyone sending me support! I will become a singer who always tries his best" along with a pictures.

In the pictures, Kim Sung Wook was posing with AOA, Kim Jong Kuk, Huh Gak, Jun Hyun Moo, and many other stars in various fields of the media.

Kim Sung Wook had appeared on "Hidden Singer". The Hidden will be releasing their debut album on September 19.