His main works are the art of Sound.
if you are interested in his works, Mail to Haya-P!
You can't listen his works without RealAudio Plugin.
If you don't have the plug-in, you are able to download from
Studio Insomnia enter
unit "LUNA" ('92~)
unit "kagami" ('91~'93)
solounit "Color Essence"('83~)