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

1993 08.20	Dracon '93
1995 05.20	81 Produce Charity Event at Tobu Ikebukuro
1995 05.21	Charity Event at Nihonbashi Mitsukoshi
1995 08.05	Anime Seiyuu Daikoushin 81 Special vol 1
1995 09.23	GAT event in Kanazawa
1995 12.17	Koe no Christmas Present
1995 12.22	Seiyuu Christmas Event 3 Days
1995 12.28	Kashiwa Sogo Anime Festival
1996 03.31	Charity Event in Nihonbashi Mitsukoshi
1996 08.25	Dracon '96
1997 07.26	Kamakura Cinema World Seiyuu Special Stage
1997 08.17	Seiyuu Doujou
1997 08.23	Dracon '97
1997 12.20	Shinmichike no Hitobito public recording
1997 12.21	Kamiya Akira Charity Concert
1997 12.29	Seiyuu Doujou
2001 05.05	Anime Wai Wai Utagassen in Nasu Highland Park
2002 02.16	[16:30] Sinseiki Tokyo Kokusai Anime Fair 21 [event stage]
2004 03.28	[14:00] Tokyo International Anime Fair (main stage)
2004 10.16	[13:00/15:00] Seiyuu no Shigoto to sono miryoku
2005 01.20	[18:30] Anime de Sukuou! Charity Concert at Shibuya AX
2006 03.26	[14:30] Anime Quiz event at Tokyo Kokusai Anime Fair
2008 03.30	[13:00] Tokyo Anime Fair 2008 Main Stage
2009 03.20	[11:00] Tokyo Kokusai Anime Fair 2009 Special Stage Dragonball
2009 12.19	[13:00] Jump Festa 2010 Toei Anime booth
2012 09.08	[] Anime Fair Kansai 2012 Seiyuu Premium Stage
2012 12.22	[11:20] Jump Festa 2013 Dragonball Z Movie stage
2013 03.30	[10:25] Dragonball Z movie event Marunouchi Toei
2019 09.14	[] Tokyo Game Show 2019 Playstation booth Dragonball Z stage