Some of the events that Natsumi has appeared in during the year 2000 are as follows.

2000 01.30	Digi Chara Festival III Kira Kira Melody Gakuen stage
2000 02.06	Kira Kira Melody Gakuen Setsubun Live
2000 02.20	Kira Kira Melody Gakuen radio broadcast
2000 03.04	Kira Kira Melody Gakuen Drama CD event in Matsudo
2000 03.05	Kira Kira Melody Gakuen Second Class public audition
2000 03.17	Idol 109 Part II
2000 03.31	Tokyo Game Show Spring 2000 [business day]
2000 04.01	Tokyo Game Show Spring 2000 Kira Kira Melody Gakuen stage
2000 04.02	Tokyo Game Show Spring 2000 Kira Kira Melody Gakuen stage
2000 04.30	Kira Kira Melody Gakuen Ikkisei Live
2000 05.03	Digi Chara Festival in Big Sight
2000 05.04	Digi Chara Festival in Big Sight
2000 05.13	Kira Kira Melody Gakuen first class radio show
2000 05.17	Live Pure-ful vol 5
2000 05.28	[15:00] Kira Kira Melody Gakuen Nikisei Live
2000 05.28	[19:30] Kira Kira Melody Gakuen Ikkisei Live
2000 06.18	Idol Beam recording
2000 06.24	Kira Kira Melody Gakuen First & Second Class Live
2000 07.22	Tokyo Character Show Kira Kira Melody Gakuen stage
2000 07.23	Tokyo Character Show Kira Kira Melody Gakuen stage
2000 07.30	Kira Kira Melody Gakuen event at GIGO Shibuya
2000 08.26	Daisuki CD live in Live Inn Magic
2000 08.27	Sancha Festival 2000
2000 08.30	Daisuki! event in Animate Ikebukuro
2000 09.02	Daisuki! Mini Live in Disk Inn Kichijouji
2000 09.03	Daisuki! Mini Live in Ishimaru Soft One
2000 09.17	Daisuki! Mini Live in Sega Freaks Akihabara
2000 09.21	Amusement Machine Show [business day]
2000 09.21	Live Pure-ful vol 9
2000 09.22	Amusement Machine Show [business day]
2000 09.23	Amusement Machine Show
2000 10.14	Daisuki! Encore Live
2000 11.12	Kira Melo Bunkasai 2000 Speciore in Amazing Square
2000 12.23	Jump Festa 2001
2000 12.24	Kira Kira Melody Gakuen Christmas Live