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

1996 11.03	Seiyuu Collection
1996 12.04	Seiyuu Collection
1997 01.11	Emotion Festival 1997 in Suginami Koukaidou
1997 01.19	Alice in Store at Ishimaru Soft One
1997 07.23	Shibuya de Chu part 1
1997 07.28	Seiyuu Collection Event
1997 08.02	Marumie Net 97 Oyaji no Natsu
1997 08.08	Ginza Voice of Animation
1998 01.15	Radish Roxs talk and live
1998 01.18	Radish Roxs event in Akihabara
1998 01.25	Radish Roxs handshake session
1998 03.01	Radish Roxs audition
1998 03.20	Tokyo Game Show Spring 1998 [business day]
1998 08.23	2nd Ani Raji Festival
1999 01.17	Digi Chara Festival
1999 09.18	Tokyo Game Show 99 Autumn
1999 09.19	Tokyo Game Show 99 Autumn
1999 09.26	Onechupi public recoding in Tokyo FM Hall
1999 11.21	Yuukyuu Ongakusai
2000 07.30	JAFCON 9
2000 08.12	Anime Japan Fes 2000 "All Stars 2000.com" at On Air West
2000 09.10	Elf Music Festa 2000
2001 06.23	Birthday Disc "Gemini" hatsubai kinen event at Yamagiwa Soft
2001 06.30	Birthday Disc "Gemini" hatsubai kinen at Ishimaru Denki Yokohama
2001 07.01	Birthday Disc "Gemini" hatsubai kinen event at Disk Inn Kichijoji
2001 07.01	Kakazu Yumi Asada Yoko mini live in Disk Inn Kichijoji
2001 07.17	Pure-ful Band Day Talking So It
2001 12.19-2001.12.23	Fedou Gekidan vol 17 at Honda Gekijou Shimokitazawa
2002 03.31	[14:00] Tokyo Myuu Myuu anime event in Yamaha Hall
2002 04.11	[18:30] EX Driver the Movie event in Kudan Kaikan
2002 04.20	EX Driver the Movie talk at Cine Riible Ikebukuro 2
2002 04.27	EX Driver the Movie talk at Cine Riible Umeda