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