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