Some of the events that Sayaka has appeared in during the year 1999 are as follows.

1999 06.27	Digi Chara Festival II
1999 07.11	Kira Kira Melody Gakuen Tanabata Dinner Show
1999 07.24	Tokyo Character Show 1999
1999 07.25	Tokyo Character Show
1999 09.18	Tokyo Game Show 99 Autumn
1999 09.19	Tokyo Game Show 99 Autumn
1999 09.25	Kira Kira Melody Gakuen mini live
1999 10.16	Cospa 5th Anniversary in Velle Farre
1999 10.30	Kira Kira Melody Gakuen Halloween Live
1999 11.06	Tokyo Denki University Nishiki Festival
1999 11.07	Tokyo Denki University Nishiki Festival
1999 11.10	Idol Chui at Take Off 7
1999 11.14	Kong Tong Town radio show
1999 11.27	Kira Kira Melody Gakuen Bunkasai
1999 12.18	Kong Tong Town radio show
1999 12.19	Heart Chu signing session at Toranoana Ikebukuro
1999 12.25	Kira Kira Melody Gakuen Christmas Live [fanclub only]
1999 12.27	Anime Kouhaku Utagassen