Some of the CD-ROMs that Hiro has appeared in are as follows.

1998.01.29	RadioROM Night vol. 1 [Win]	movie, image, voice
1998.02.26	RadioROM Night vol. 2 [Win]	movie, image, voice
1998.03.26	RadioROM Night vol. 3 [Win]	movie, image, voice
1998.04.30	RadioROM Night vol. 4 [Win]	movie, image, voice
1998.05.28	RadioROM Night vol. 5 [Win]	movie, image, voice
1998.06.28	RadioROM Night vol. 6 [Win]	movie, image, voice
1998.07.30	RadioROM Night vol. 7 [Win]	movie, image, voice
1998.08.28	RadioROM Night vol. 8 [Win]	movie, image, voice
1998.09.28	RadioROM Night vol. 9 [Win]	movie, image, voice
1998.10.28	RadioROM Night vol. 10 [Win]	movie, image, voice
1998.11.28	RadioROM Brunch vol. 11 [Win]	movie, image, voice
1998.11.28	RadioROM Night vol. 11 [Win]	movie, image, voice
1998.12.28	RadioROM Night vol. 12 [Win]	movie, image, voice