Some of the events that Natsumi has appeared in during the year 2001 are as follows.

2001.01.27	Shinshun Anime Channel! Dai Shinnenkai!
2001.02.07	Idol Chu-Mail 12 at Take Off 7
2001.02.10	[11:00] Dear+Palette+Che album campaign in Animate Hamamatsu
2001.02.10	[15:00] Dear+Palette+Che album campaign in Animate Nagoya
2001.02.11	[15:00] Dear+Palette+Che album campaign in Komaki Disk Station
2001.02.12	Dear+Palette+Che album campaign in Animate Abeno Belta
2001.03.04	Fairy Island Tinkerbell Magic Night Vol 6
2001.03.25	[14:00] Kira Kira Melody Gakuen Unit Final Live
2001.03.25	[18:00] Kira Kira Melody Gakuen All Student Final Live
2001.07.15	[14:00] Idol 109 part III
2001.11.18	[15:00] Idol 109 part III
2001.12.31	[18:00] Magic Island Oomisoka Special at Live Inn Magic
2001.12.31	[23:30] Magic Island Oomisoka Special at Live Inn Magic