This is a classic MSX 1 computer made by Kyocera and sold by Yashica. Kyocera didn't sell any MSX computers under its brand name, but conceived a few like the Philips VG-8020 and the above for example...
The Yashica YC-64 is somewhat original as it is red!
We need more info about this computer ! If you designed, used, or have more info about this system,
please send us pictures or anything you might find useful.