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

1998.08.01	Gundam Big Bang event
1998.10.11	Tokyo Game Show Autumn 1998
2002.12.01	[13:00] Twinkle Spirit in Live Inn Magic
2004.10.24	[14:00] Tokyo Kokusai Entertainment Market 2004 Kadokawa booth
2007.10.21	[12:30] Akihabara Enta Matsuri Keroro Gunsou event