Although a few games doen't work with it (e.g. However, the most popular PC98 emulator in Japan is Anex86.
Some games won't work with these emulators, you may try Virtual98 instead (available below). Recommended emulators are M88 for PC-88 (Windows only) and Neko Project II for PC-98 (Windows / Mac, ported as Xnp2 on Linux). PC-88 and PC-98 is kind of confidential outside Japan, but the emulation scene is quite active.
