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

1997 09.06	Tokyo Game Show 97 Autumn
1997 09.07	Tokyo Game Show 97 Autumn
1998 01.17	Neo Geo DJ Station Live 98
1998 01.18	Neo Geo DJ Station Live 98
1998 01.31	Dynagiga CD vol 1 Special Live
1998 03.22	Tokyo Game Show Spring 1998
1998 04.22	Shibuya de Chu recording
1998 05.08	Seiyuu Collection
1998 07.01	Shibuya de Chu recording
1998 07.15	Dainagiga Special Live
1998 08.05	Naniwa de Po public recording
1998 12.29	Anime Kouhaku Utagassen
1999 03.28	Dai 3 kai Ani Raji Festival
1999 04.18	Omimura Mayuko signing session in NS Building
1999 05.04	Kururun Daihousou event at Eggman
1999 09.18	Tokyo Game Show 99 Autumn
1999 09.19	Tokyo Game Show 99 Autumn
1999 11.21	Yuukyuu Ongakusai
1999 12.20	Kururun Daihousou Ongakukai
1999 12.27	Anime Kouhaku Utagassen
1999 12.27	Anime Kouhaku Utagassen Uchiage Daihousou Party
2000 02.05	Omimura Mayuko handshake and signing event in Animate Ikebukuro
2000 04.23	Omimura Mayuko CD event at Yamagiwa Soft
2000 07.09	Omimayu Kaori no Seiyuu Island event in Disk Inn Kichijoji
2000 07.22	Anata ni Todoke in Natsu event in Animate Ikebukuro
2000 07.30	Anata ni Todoke! in Natsu CD event in Yamagiwa Soft
2000 08.12	Anime Japan Fes 2000 "All Stars 2000.com" at On Air West
2000 08.13	Anime Japan Fes 2000 "The Auction" at On Air West
2000 08.26	Yuukyuu Final Concert -Manatsu no Sotsugyoushiki-
2000 10.16	Seiyuu Collection Returns
2000 10.21	Anata ni Todoke! in Aki
2000 11.04	Game Dra 5 Shuunen Special Night
2000 11.12	Anatani Todoke in Ritsumeikan
2000 12.31	Happy New Century Special Countdown Party
2001 01.27	Shinshun Anime Channel! Dai Shinnenkai!
2001 01.28	Anata to Issho Yuki event in Animate Ikebukuro
2001 02.04	Anata to Issho Yuki event in Animate Machida
2001 02.11	Seiyuu Collection Returns
2001 02.24	Mami Choco event in Animate Machida
2001 02.25	Mami Choco event in Animate Shibuya
2001 03.03	[11:30] Mami Choco event in Animate Fuse
2001 03.03	[14:00] Mami Choco event in Yamagiwa Soft Osaka
2001 03.11	[14:00] Mami Choco debut event in Yamagiwa Soft
2001 04.19	[10:00] Close To event in Gamers
2001 04.28	[14:00] Anata to Issho Hana event in Yamagiwa Soft
2001 04.28	[16:15] Anata to Issho Hana event in Yamagiwa Soft
2001 04.29	Anata to Issho Hana event in Animate Shibuya
2001 05.04	Anata to Issho Hana event in Animate Ikebukuro
2001 07.21	Tokyo Character Show [Seiyuu Yataimura: Mami Choco event]
2001 08.12	Anime Japan Fes 2001 The Auction
2001 08.19	[14:00] Fukanzen Nenshou in Zenshinza Gekijou
2001 08.19	[17:00] Fukanzen Nenshou in Zenshinza Gekijou
2001 10.27	Booing Toshi Shita no Otokonoko event in Yamagiwa Soft
2001 10.28	Anata to Issho Sora event in Ishimaru Denki Yokohama
2001 11.03	Anata to Issho Sora event in Yamagiwa Soft
2001 11.04	Anata to Issho Sora event in Animate Shibuya
2001 11.11	Omimura Mayuko no Anato to Otanjoubi in Gamers Akihabara
2001 11.23	[14:00] Memories Off 2nd Trading Card event in Aniamte Ikebukuro
2002 03.21	Suku Suku handshake session in Animate Shibuya
2002 03.23	Suku Suku mini live in Animate Ikebukuro
2002 03.24	Suku Suku mini live at Yamagiwa Soft
2002 04.06	[16:30] Suku Suku signing session in Animate Sannomiya
2002 04.13	[16:00] Suku Suku event in Gamers
2002 04.14	[13:00] Suku Suku handshake session in Gamers Machida
2002 04.27	[19:00] Seiyuu Wave vol 7
2002 07.29	Omimura Mayuko Official Fan Club event
2002 08.11	[14:00] Anime Japan Fes 2002 The Auction
2003 05.31	Omimura Mayuko fan club tour
2003 08.23	Chao & ShouComi Summer Festival 2003