Kazuaki Miyaji' is a Japanese professional musician and guitarist.
He was an apprentice of guitarist Kenji Kitajima and made his own debut as a guitarist in 1983. He has both recorded and played with several artists. He created a band called "Face Free" and in 1994 gained popularity for singing the theme song to the anime "Captain Tsubasa J". He ended up becoming friends with game developer Akira Sakuma, who in turn introduced him to the video game industry. As a result, he worked on a few games. However, he primarily composes music for other media including commercials and female professional wrestlers.
In the world of video games, Miyaji is perhaps best known for his numerous contributions to the Momotarou Densetsu series, in particular, Momotarou Densetsu Happy. He has also worked on the Jinsei Game series, as well as composing the music to DX Monopoly.
For DX Monopoly GB, Kazuaki used a sound driver by Sei Mochizuki.