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

1996.12.24	Kusao Takeshi with Pretty in White
1997.03.02	Girls Be
1997.03.30	Girls Be at Geruge Flea Market
1997.04.06	Tokyo Game Show
1997.06.29	Girls Be in Ishimaru Soft One
1997.07.06	Girls Be in Osaka
1997.08.01	Girls Be Voice Animage signing session
1997.08.02	Taxi Company event in Nissan Ginza Gallery
1997.08.03	Club db Caravan '97 Summer in Osaka
1997.08.11	Marukin Challenge Land public recording
1997.08.17	Gran Doll event in Osaka
1997.09.07	Tokyo Game Show 97 Autumn
1997.12.14	Girls Be Graduation Concert in Osaka
1997.12.21	Girls Be Graduation Concert in Kawasaki
1998.03.20	Tokyo Game Show Spring 1998 [business day]
1998.03.21	Tokyo Game Show Spring 1998
1998.03.22	Tokyo Game Show Spring 1998
1998.08.03	Tokyo Character Show 1998
1998.10.10	Tokyo Game Show Autumn 1998
1998.10.11	Tokyo Game Show Autumn 1998
1998.11.23	Dentsuu Dai Gakuensai
1998.12.05	Seiyuu GPX Digital Photo Album event in Yamagiwa Soft One
1998.12.13	Seiyuu GPX Digital Photo Album event in Nagoya
1998.12.29	Anime Kouhaku Utagassen
1999.02.06	Idol and Anime Card Festival 99
1999.03.28	Dai 3 kai Ani Raji Festival
1999.04.04	[12:00/14:00] Ninki Seiyuu Festival in Kyoto
1999.09.23	KSS Group Fan Kansha Day
1999.10.02	Voice Festival 2000
1999.10.03	Voice Festival 2000
2000.02.26	NEC Interchannel Fan Kansha Day Special Live 19:00
2000.07.22	Tokyo Character Show
2001.07.17	[19:00] Ariite Hime showing at Asahi Hall
2001.07.29	ZOE Dolores i Crisis 01 event in Yamaha Hall
2002.02.24	Kuwashima Houko Roudokuya
2002.07.21	[18:30] Kuwashima Houko Roudokuya in Fuchuu Furusato Hall
2002.07.22	[18:30] Kuwashima Houko Roudokuya in Fuchuu no Mori
2002.08.04	[17:00] Kuwashima Houko Roudokuya in Chiba
2002.08.11	[18:00] Kuwashima Houko Roudokyua in Osaka
2002.08.25	[15:30] Kuwashima Houko Roudokuya Planetarium Special
2002.09.01	[15:30] Roudokuya Planetarium Special in Machida Star Hall
2002.12.22	Kuwashima Houko Roudokuya -Tamatebako-
2003.03.23	Tantei Gakuen Q event in TBS Hall
2003.12.14	[16:30] Roudokuya Platinicum
2004.01.25	[16:30] Roudokuya Platinicum
2004.05.16	[16:00] Kuwashima Houko -hitori gadari- in Shizuoka
2004.09.04-2004.09.05	TBS Anime Festa at Bunkyou Civic Hall
2006.01.15	[14:30] CD "Junshoku Brilliant" talk event
2006.01.22	[19:00] CD "Junshoku Brilliant" talk event
2006.02.24	[19:30] Kidou Senkan Nadesico 10nen buri no Dousoukai
2006.07.29	[19:00] Hitori Gadari
2006.07.30	[13:30] hitori gadari
2007.05.12	Square Enix Party 2007
2007.09.15	[17:00] Sora to Kaze
2007.09.16	[17:00] Sora to Kaze
2007.09.28	[18:00] Aoyama Nichoume Gekijou Voice Fair 2007
2007.09.29	[13:00/17:00] Aoyama Nichoume Gekijou Voice Fair 2007
2008.03.29	[10:15] Tokyo Anime Fair 2008 Main Stage Clannad stage
2009.01.17	[14:00] Roudokuya "Kishin no En"
2009.01.18	[14:00] Roudokuya "Kishin no En"
2009.03.28	[12:30/14:30] Senjou no Valkyria event
2009.04.12	[14:00] Clannad Fan Kansha Event
2010.01.17	[13:00] Neo Romance Festa Haruka 10 Nensai
2010.05.08	[14:00] Akihabara PC Game Festa
2010.06.20	[13:30/18:00] "Reading For The Ties 2010" JCB Hall
2010.08.28	[14:30] Chara Hobby 2010 C3xHobby "Hakuouki"
2010.09.18	[11:00] Tokyo Game Show 2010 SEGA
2010.12.05	[18:00] Saiunkoku Monogatari event Yomiuri Hall
2011.08.28	[13:10] Chara Hobby 2011 Bandai Namco Super Robo OG Radio
2012.02.18	[18:30] Uchuu Senkan Yamato 2199 at Yomiuri Hall
2012.05.12	[15:00/18:30] Shining Fan Festa 2012 Spring
2012.12.09	[15:00] Kuwashima Houko Roudokuya -cobaco.12-
2019.03.30	[16:15] Sanriku Connect Festival