 The show was about four 3rd year high school students with no direction in their lives, until they found rap, which then inspired them to take charge of their lives and their dreams.In the show, his character, along with his three costars' (Masataka Kubota, Ryo Kimura, and Gota Watabe) characters formed ROM-4.Later, Kaji and his costars (under ROM-4) recorded and released the CD single called "Keep It Goin' On", which was used as the show's ending theme.