Black/Matrix © 1998 Nec InterChannel, Limited.
GAME ID: T-20113G
Released on August 27, 1998 in Japan. It was never exported outside Japan.
Re-prints:
[JP] "Black/Matrix [Model T-20115G]" (1998)
[JP] "Black/Matrix [Model T-20118G]" (1999)
There were two subsequent remake releases that add more detailed graphics and additional content: Black/Matrix AD (Advanced) for Dreamcast was released in 1999, and Black/Matrix + (Cross) for PlayStation was released in 2000.
Game's CD.