Some of the events that Hiroko has appeared in are as follows.

1996.04.21	Ninja Mono event in Tokyo
1996.05.04	Emotion Festival 2 in Tokyo
1996.05.06	Emotion Festival 2 in Osaka
1996.11.03	Seiyuu Collection
1996.11.04	E3
1997.01.11	Emotion Festival 1997 in Suginami Koukaidou
1997.01.19	Emotion Festival 1997 in Osaka
1997.06.21-1997.06.22	Mahou Tsukai Tai tour
1998.10.11	Tokyo Game Show Autumn 1998
1998.10.17	Yume de Aetara event
1999.01.17	Kakikuke Kikuko no Sasisuse Sonata public recording
1999.03.21	Tokyo Game Show Spring 1999
1999.03.28	Dai 3 kai Ani Raji Festival
1999.05.02	Emotion Festival '99 in Sapporo
1999.06.27	Digi Chara Festival II