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

1996 08.24	Tokyo Game Show '96
1997 03.29	Seiyuu Collection Bangaihen
1998 01.31	Dynagiga CD vol 1 Special Live
1998 07.14	Seiyuu Collection Bangaihen
1999 07.10	Onosaka Masaya talk event
2000 01.29	Onosaka and Ueda's talk live
2000 02.12	Seiyuu Festival Dream Power 2000
2000 08.05	Onosaka Masaya conte live Akogareru Kimochi
2000 09.23	Seiyuu Collection Returns
2001 01.13	Sikyou Gamer wo Sagase
2001 06.10	Radio Muu public broadcast
2001 07.20	Kinniku-man II Maxi Single event in Aoni Museum
2001 07.28	[17:30] Dream Power 2001 "Seiyuu Festival" in Shibuya Koukaidou
2001 12.23	Jump Festa 2002 Super Tour in Makuhari
2002 02.15	Sinseiki Tokyo Kokusai Anime Fair 21 [business day]
2002 02.16	[13:30] Sinseiki Tokyo Kokusai Anime Fair 21 [event stage]
2002 05.04	[13:00/16:00] Onosaka Masaya talk event at Aoni Museum
2002 05.25	[17:00] Onosaka Talk Live in Ginza Gas Hall
2002 07.27	[14:00] Thanks 20th Emotion Festival 2002 in Suginami Koukaidou
2002 07.28	[14:00] Thanks 20th Emotion Festival 2002 in Osaka
2002 08.25	Thanks 20th Emotion Festival 2002 in Nagoya
2002 09.01	[14:00] Thanks 20th Emotion Festival 2002 in Midou Kaikan
2002 11.09	[17:00] Onosaka Masaya Talk Live in Ginza Gas Hall
2002 12.21	[10:00] Jump Festa 2003 [main stage] Tennis no Ouji-sama
2003 03.30	[10:30/15:00] Seishun Gakuen Teikyuusai 03
2003 06.21	[17:00] Onosaka Masaya talk live in Kitazawa Town Hall
2003 08.24	[12:00] C3 2003 Gundam Seed talk show
2003 08.30	[17:00] Onosaka Masaya talk live
2003 10.25	[17:00] Onosaka Masaya talk live in Amlux Hall
2004 03.13	[17:00] Onosaka Masaya no Talk Live
2004 05.15	[17:30] Onosaka Masaya talk live in Minami Ohtsuka Hall
2004 07.31	[10:00/12:00/14:00/16:00/18:00] Nakayoshi Group Oshaberikai
2005 01.08	[17:30] Onosaka Masaya talk live
2005 03.26	[13:00] Angelic Layer special event
2005 05.21	[17:00] Onosaka Masaya talk live
2005 09.10	[17:00] Onosaka Masaya Talk Live
2005 11.26	[17:00] Onosaka Masaya talk live
2005 12.17	[12:30] Jump Festa 2006 Namco Booth
2005 12.18	[14:00] Jump Festa 2006 Namco booth
2005 12.23	[12:30] Interchannel presents On the Talk vol 1
2005 12.23	[17:00] Interchannel presents On the Talk vol 1
2006 01.07	[17:00] Onosaka Masaya talk live
2006 03.18	[17:00] Onosaka Masaya Talk Live
2006 09.30	[17:00] Onosaka Masaya talk live
2006 11.11	[17:00] Onosaka Masaya talk live
2006 12.10	Neo Romance Festa Ange Party at Pacifico
2006 12.17	Jump Festa 2007 Bandai Namco Booth Main Stage
2007 07.07	[17:00] Onosaka Masaya talk live
2007 09.02	[13:30] K'z Station Natsu no Koukai Rokuon
2007 09.09	[17:00] Onosaka Masaya talk live
2007 11.18	[17:00] Onosaka Masaya talk live
2007 12.09	[13:30] Neo Romance Ala Mode 3
2008 01.19	[17:00] Onosaka Masaya talk likve
2008 02.23	[24:00] Bakkaano! all night joueikai Theatre Daiya
2008 03.01	[17:00] Onosaka Masaya talk live
2008 03.16	[12:00/18:00] Tennis no Oujisama OVA 100 Song Marathon
2008 03.30	[10:30] Tokyo Anime Fair 2008 Main Stage Neo Angelique Abyss
2008 05.10	[17:00] Onosaka Masaya Talk Live
2008 08.23	[17:00] Onosaka Masaya talk live
2008 09.23	[15:00] Tales of Festival 2008
2008 11.08	[17:00] Onosaka Masaya talk live
2008 12.21	[16:00] Jump Festa 2009 Sony
2008 12.31	[23:00] AT-X Toshikoshi Nama! public broadcast
2009 01.24	[17:00] Onosaka Masaya Talk Live
2009 05.16	[17:00] Onosaka Masaya talk live
2009 06.14	[13:00/17:30] Tales of Festival 2009 Pacifico Yokohama
2009 09.06	[18:00] Tennis no Ouji-sama OVA event
2009 09.20	[12:30/18:00] Neo Romance 15th Anniversary Passion Orange
2009 11.14	[17:00] Onosaka Masaya no Talk Live
2009 12.19	[13:00] Jump Festa 2010 Jump Super Stage
2009 12.20	[11:30] Jump Festa 2010 Jump Super Stage
2010 03.07	[18:00] Hetaria Axis Powers Ohmiya Sonic City
2010 03.14	[13:30] Neo Romance Festa 11
2010 03.14	[18:00] Neo Romance Festa 11
2010 07.11	[13:30/18:00] Neo Romance Ala Mode 4
2010 07.18	[18:00] KAmiYU in Wonderland
2010 08.14	[17:00] Onosaka Masaya Talk Live
2010 11.06	[13:00] Onosaka Masaya/Itou Kanae Talk Event Senshuu Daigaku
2010 12.11	[17:00] Onosaka Masaya talk live
2011 01.09	[17:00] Hetalia World Series event
2011 01.22	[17:00] Tennis no Ouji-sama Teni Prix Festa 2011 in Budoukan
2011 07.16	[17:00] Onosaka Masaya talk live
2011 08.21	[16:00] Onosaka Masaya Talk Live Zenkoku Tour Vol.2
2011 08.28	[16:00] Onosaka Masaya Talk Live Zenkoku Tour Vol.3
2011 09.03	[17:00] Onosaka Masaya Talk Live
2011 09.11	[17:30] Shin Sangoku Musou live
2011 09.16	[20:15] A&G Gamemaster GT-R public recording
2011 11.26	[17:00] Onosaka Masaya talk live
2012 01.14	[17:00] Onosaka Masaya Talk Live
2012 05.12	[17:00] Onosaka Masaya Talk Live
2012 07.14	[17:00] Onosaka Masaya Talk Live
2012 10.13	[12:10] Tales of Symphonia The Animation event
2018 09.22	[15:30] Tokyo Game Show 2018 Musou Orochi 3 public broadcast stage
2019 01.27	[] 8nen Tsuzuku Radio event
2019 09.15	[14:00] Tokyo Game Show 2019 Koei Tecmo Musou Orochi 3
2022 04.10	[13:00] 8 Nen Tsuduku Radio -6 Nensei ni Nattara-
2022 04.10	[16:00] 8 Nen Tsuduku Radio -6 Nensei ni Nattara-