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