KinKi Kids
Mizuki Sano joined Johnny's in 1991. In 1993, he became a member of the short-lived Johnny's unit J-Eleven and also a member of KinKi Jr., a back-up group for KinKi Kids. In 1995, Sano became a first-generation member of Johnny's Sr., along with Masayuki Sakamoto, Hiroshi Nagano, and Yoshihiko Inohara of V6. Until 1996 he was a back-up dancer for Hikaru Genji, V6, SMAP, and KinKi Kids.