https://i.postimg.cc/59B4XFxL/tech.png
I got these two TECHNOuchi CDs from M3 Fall 2017 but I'm not sure if they're eligible for submission. They both contain select tracks from Konami games he composed for in the 90s. Unfortunately, all tracks are untitled, probably for legal reasons.
黄色い粉 (left) has 32 tracks, 赤い粉 (right) has 33.
Only 25 copies were made for both.
Another person has them, just so you know I'm not making this up:
https://twitter.com/SH2ARP/status/924580973836083200
You won't find anything from TECHNOuchi himself because he deleted both Tweets and Soundcloud links related to this release.