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

2008 10.19	[14:30] Seiyuu no Hi event
2008 11.03	[11:00] PNGN3 talk mini live Toranoana Akihabara
2008 11.03	[13:00] Penguin Musume Heart ED talk mini live Gamers Akihabara
2008 11.08	[12:00] Macademy Wasshoi OP CD event Asobit Game City
2008 11.08	[14:30] Macademy Wasshoi OP CD event Akihabara Gamers
2008 11.22	[16:00] Live 5pb. 2008 Yokohama Blitz
2008 12.21	[15:30] Jump Festa 2009 Jumpark Hatsukoi Limited
2008 12.27	[15:30] DVD Macademy Wasshoi event Toranoana Akihabara
2009 06.14	[15:00] Yoku Wakaru Gendai Mahou & Hatsukoi Limited Joint Festival
2009 10.04	[14:00] Dengeki Character Festival 2009 main stage Lady x Bad
2009 12.26	[17:30] Nogizaka Mika no Mai Fair Radio Next public recording
2010 03.20	[14:30/18:00] Seiyuu Festa Haru CC Lemon Hall
2010 05.09	[11:30/16:20] Akihabara PC Game Festa
2010 05.15	[13:00] Ookami Kakushi BD/DVD talk show Akihabara Gamers
2010 05.15	[15:30] Ookami Kakushi BD/DVD talk show Animate Akihabara
2010 08.07	[14:00] TBS Anime Festa 2010
2010 08.08	[12:00] TBS Anime Festa 2010
2011 02.09-2011.02.14	Chocolate Girls 2
2011 08.13	[14:00] TBS Anime Festa 2011
2011 08.14	[18:30] Sengoku Otome Kayousai at Shibuya O-East
2011 11.13	[14:00] Tiger & Bunny Hero Awards 2011 Day
2011 11.13	[18:30] Tiger & Bunny Hero Awards 2011 Night
2011 12.11	[14:30] Milk Lariat Vol.4
2013 03.17	[19:00] Photo Kano event