 On March 29, 2006, in the "Dream Live 3rd" live concert, he, along with the majority of the Seigaku cast, graduated from their roles.Since his graduation, the role of Momoshiro has been played by Shinpei Takagi, by fellow D-BOYS member Tetsuya Makita, and by actor Toshihiro Nobeyama.Kaji was able to carry on his role from the musicals to the live-adaptation film of the manga series of "The Prince of Tennis".