Kazuki Nishina is one of the love interests in Pretty Rhythm Rainbow Live. He is the childhood friend of Kouji Mihama, Ann Fukuhara, and Wakana Morizono, although he doesn't remember her very well. He is part of a street-dancing group, and is the son of a family of sign-artists.

In King of Prism

Birthday: May 5.

Blood type: A

Known as the Street-style charisma. Became a Prism Star because of his admiration towards former street-style prism star Kurokawa Rei.

He is a very caring and reliable upperclassman for his juniors. Straightforward and has a warm heart.