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

2002 03.12	Seiyuu Wave
2002 04.27	[19:00] Seiyuu Wave vol 7
2002 06.19	Seiyuu Wave in Zamza Asagaya
2002 07.26	[16:00] "Voice Crew Collection 001" signing in Animate Ikebukuro
2002 07.27	[17:00] "Voice Crew Collection 001" signing in Animate Shibuya
2002 08.04	[12:00] "Voice Crew Collection 001" event in Animate Sannnomiya
2002 08.04	[16:00] "Voice Crew Collection 001" event in Animate Abeno Belta
2002 09.07-2002.09.08	I'm Enterprise Fan Club event
2002 10.13	[17:00] Seiyuu Wave Event vol 1
2002 12.14	[13:00/15:30] I'm Enterprise Fan Kansha Day
2002 12.28	[13:00] Comic Market 63 KSS Booth
2002 12.28	[15:00] Comic Market 63 main stage Mix Juice Stage
2003 01.25	Animate Expo 2003 in Sunshine City
2003 03.22	Tokyo International Anime Fair 2003 "Imagica Booth"
2003 03.23	[14:00] Media Factory Anime Spring Festa at Toshima Ku Koukaidou
2003 03.23	Media Factory Anime Spring Festa 2003
2003 07.26	[17:00] DVD Marumie Mix Juice event at Ishimaru Pasocon Tower
2003 08.02	[17:00] DVD Marumie Mix Juice event at Yamagiwa Soft
2003 09.28	[12:00] Mix Juice talk and live in Yamagiawa Soft
2003 10.05	[14:00] Marumie Mix Juice vol 3 handshake event in Animate Shibuya
2003 12.13	[14:40] Akihabara Jouhoukyoku 7th public recording
2004 05.02	[16:00] Dears Festival
2004 05.14-2004.05.16	Anime Central
2004 10.24	[12:00] Tokyo Kokusai Entertainment Market 2004 Kadokawa booth
2004 10.24	[14:00] Tokyo Kokusai Entertainment Market 2004 Kadokawa booth
2005 04.17	[12:00] DVD Tukuyomi phase 3 talk event
2005 12.04	[14:00] Aria The Animation DVD event in Animate Ikebukuro
2006 01.28	[11:00] Aria the Animation DVD talk event
2006 07.30	[13:00/15:00] DVD "Aria The Natural" talk show Animate Ikebukuro
2006 07.30	[17:30] DVD "Aria The Natural" talk show Asobit Game City 6F
2007 09.02	[10:30] DVD "Aria The OVA -Arietta-" event
2008 01.26	G Festival 2008 Osaka
2008 01.27	G Festival 2008 Tokyo
2008 04.26	[11:00] DVD "Aria The Origination" talk show Yoyogi Animation Gakuin
2008 04.26	[14:00] DVD "Aria The Origination" talk show Asobit Game City
2008 04.26	[16:00] DVD "Aria The Origination" talk show Toranoana Akihabara
2008 06.28	[15:00] Rondo Robe 2008
2009 04.25	[15:00] Gundam 00 Second Season BD&DVD Hatsubai Kinen G Festival
2009 05.03	[18:30] Haruda! Seigida! Linebarrels Matsuri!
2009 07.19	[18:30] 07-Ghost event Nakano Sun Plaza
2009 09.06	[17:00] Strike Witches event Zepp Tokyo
2010 09.12	[17:00] Mitsudomo Fes! at Akasaka Blitz
2010 09.18	[11:00] Tokyo Game Show 2010 SEGA
2010 09.18	[12:10] Tokyo Game Show 2010 SEGA
2011 05.01	[13:00/18:00] Mitsudomoe Fes Zouryouchuu! Stella Ball
2011 08.27	[11:30] Chara Hobby 2011 C3xHobby main stage
2011 08.28	[10:30] Chara Hobby 2011 Bandai Namco Madoka Magica
2011 08.28	[13:30] Chara Hobby 2011 main stage Kyoukaisenjou no Horizon
2011 08.28	[15:15] Chara Hobby 2011 Bandai Namco Games Yao-chan no Heya
2012 02.19	[13:30] Maoyuu Episode 0 event Hiru no Bu
2012 02.19	[18:30] Maoyuu Episode 0 event Yoru no Bu
2012 03.31	[17:30] Anime Contents Expo 2012 White Stage
2012 06.24	[14:30/18:00] Kyoukaisenjou no Horizon event Nihon Seinenkan
2012 10.13	[09:20] Gekijouban Mahou Shoujo Madoka Magica butai aisatsu Osaka
2012 10.13	[12:40] Gekijouban Mahou Shoujo Madoka Magica butai aisatsu Kyoto
2012 10.13	[15:50] Gekijouban Mahou Shoujo Madoka Magica butai aisatsu Nagoya
2012 10.14	[09:00/12:00] Gekijouban Mahou Shoujo Madoka Magica butai aisatsu Saitama
2013 03.30	[09:00] Anime Contents Expo Red Stage Madoka Magica
2018 09.01	[] Magia Day 2018