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

1999 06.27	Digi Chara Festival II
1999 08.14	Kira Kira Melody Gakuen Manatsu no Eekoe
1999 10.30	Kira Kira Melody Gakuen Halloween Live
1999 11.27	Kira Kira Melody Gakuen Bunkasai
1999 11.28	Kong Tong Town radio show
1999 12.18	Kong Tong Town radio show
1999 12.25	Kira Kira Melody Gakuen Christmas Live [fanclub only]
1999 12.27	Anime Kouhaku Utagassen
2000 01.08	Kira Kira Melody Gakuen Oshougatsu Live
2000 01.29	Kira Kira Melody Gakuen radio broadcast
2000 01.30	Digi Chara Festival III Kira Kira Melody Gakuen stage
2000 02.06	Kira Kira Melody Gakuen Valentine Live
2000 02.20	Kira Kira Melody Gakuen radio broadcast
2000 02.27	Super Idol 2000 Millenium Live 18:30
2000 03.05	Kira Kira Melody Gakuen Second Class public audition
2001 08.25	La Dear -Metafo Tandoku Live-
2001 09.23	[19:00] Unit Paradise in Meguro Fukushi Center
2001 11.18	[19:00] Metafo Live
2001 12.16	[19:00] Girls Vocal Paradise 4
2002 02.17	[12:00] Girls Vocal Paradise 5