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