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

1994 04.03	Tenchi Muyou Tokyo Spring 1994
1994 11.19	Tenchi Muyou live stage
1995 04.15	Doki Doki Waku Waku Panic Tour in Tokyo
1995 04.16	Doukyuusei/Kakyuusei Event in Tokyo
1995 05.20	81 Produce Charity Event at Tobu Ikebukuro
1995 08.06	Anime Seiyuu Daikoushin 81 Special vol 2
1995 12.17	Parachute Tenchi Muyou na Christmas
1996 03.17	Tenchi Muyou! in Live Tour '96 in Sapporo
1996 03.23	Tenchi Muyou! in Live Tour '96 in Sendai
1996 03.30	Tenchi Muyou! in Live Tour '96 in Nagoya
1996 03.31	Tenchi Muyou! in Live Tour '96 in Osaka
1996 04.07	Tenchi Muyou! in Live Tour '96 in Fukuoka
1996 04.13	Tenchi Muyou! in Live Tour '96 in Tokyo
1996 06.28	Anime Expo
1996 11.03	E3
1996 12.04	Seiyuu Collection
1996 12.25	Seiyuu Collection
1997 03.30	Dream Power Matsuri at Yomiuri Land
1997 07.23	Shibuya de Chu part 1
1997 07.24	Manatsu no Gakuensai at Shinjuku Island
1997 07.25	Manatsu no Gakuensai at Shinjuku Island
1997 08.02	Tenchi Muyou! Manatsu no Eve opening message
1997 11.22	Seiyuu Collection Special at Bay Side Jenny
2002 01.19	Doki Doki Happy Theater vol 3
2002 03.31	[14:30] Tenchi Muyou! GXP event in Ginza Gas Hall
2002 04.27	[15:30] Live! Mahoromatic
2002 04.27	Mahoromatic event
2003 07.27	[10:50] Hobby Expo 2003 Bunka Housou stage
2003 08.30	[13:30] Rondo Robe Circus 2003 in Bunkyou Civic Hall
2004 05.05	[16:00] Gainax Festival -20th Aniversary-
2004 10.24	[11:50] Tokyo Kokusai Entertainment Market 2004 main stage