About howto run the game, to hack skip expad.com error out :

Emulation hack for palette driver.
It works only with Neko Project II/21 (tested with v0.82).

EXPAD.COM

1CB0: 74 -> EB

But still mouse is not working, just keyboard only.

The way to hack it work is figure out by Ashura from Tokugawa Corporate Forums.

[R-RATE] まじかるぼーど
[R-Rate] Magical Board

Release date: 1994/03/16

Link (Tokugawa Corp.): http://fullmotionvideo.free.fr/screen/G2054.html

Base +15

(PC98CG) ['940316] [R-Rate (Ｒ－ＲＡＴＥ)] まじかるぼーど

Base +7