In 2001 Domoto Koichi of the Kinki Kids began producing a junior unit called J-support. The unit was meant to backdance for Kinki Kids in concerts and Domoto Koichi also wrote a song for the unit call Private Hearts. Later the name was changed to K.K.Kity which comes from the member's initials. (Koyama Keiichiro, Kusano Hironori, Kato Shigeaki, Iida Kyohei, Takeuchi Kotaro, Yokoo Wataru). The unit was split in two, the singing trio K.K.K. and the roller/dance trio I. Read more on Last.fm