Here's all 13 songs from Kid Niki 3/Kaiketsu Yanchamaru 3 - Taiketsu! Zouringen ripped by me in MP3 format.
Kid Niki 3 Soundtrack.zip (http://www.mediafire.com/?wbiabguf292x7kf)
Hope you like it.
If it's missing a song, or if the download's dead, PM me.

I downloaded this and it's pretty interesting, thanks. Never would have guessed there were 3 games in this series.