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

1998.12.29	Anime Kouhaku Utagassen
1999.07.11	Kira Kira Melody Gakuen Tanabata Dinner Show
1999.07.24	Tokyo Character Show 1999
1999.07.25	Tokyo Character Show
1999.08.14	Kira Kira Melody Gakuen Manatsu no Eekoe
1999.09.18	Tokyo Game Show 99 Autumn
1999.09.19	Tokyo Game Show 99 Autumn
1999.10.30	Kira Kira Melody Gakuen Halloween Live
1999.11.14	[13:10] I'm ON Street Audition at Shibuya GIGO
1999.11.27	Kira Kira Melody Gakuen Bunkasai
1999.11.28	Kong Tong Town radio show
1999.12.25	Kira Kira Melody Gakuen Christmas Live [fanclub only]
1999.12.26	Kong Tong Town Sayonara Festival
1999.12.27	Anime Kouhaku Utagassen
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
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
2002.02.06	Idol Style 1 at Take Off 7
2002.02.17	[17:00] Idol 109 Special
2002.03.22	Remi Presents Talking So It vol 5
2002.04.25	The Road of Ocean
2002.05.30	[19:00] Road of the Ocean
2002.06.12	[19:00] The Road of the Ocean vol 3
2002.06.27	[19:30] Ryon Ryon Night! vol 1
2002.07.04	[19:00] The Road of the Ocean vol 4
2002.08.08	[19:00] The Road of the Ocean vol 5
2002.09.26	Remi Presents Talking So it! vol 8
2003.03.10	[19:30] Iki Nuki Night Party vol 2
2004.02.07	Ikinuki Night Party vol 13 "Shintani Sayaka Birthday SP"
2004.03.20	[14:30] Happy Holiday
2004.03.20	[19:00] Happy Holiday
2004.04.15	[19:00] Very Very Treasure Show
2004.07.21	[19:00] Acogi no Onna Tachi
2004.09.03	[19:30] Talk & Talk -Watashi no Subete Hanashimasu-
2004.09.25	[19:00] One Night Carnival
2004.11.04	[20:00] Oretachi Mangadou public recording
2004.12.24	[18:30] Merry Christmas Holy Peak Christmas
2004.12.29	Comic Market 67 Web Gendai MouRa booth
2004.12.30	Comic Market 67 Web Gendai MouRa booth
2005.02.13	Moe Poe Festa 2005
2005.02.14	[19:00] Momo Iro Night vol 4
2005.07.10	[13:00] Oretachi no Mangadou event in Live Inn Magic
2005.07.10	[18:00] Oretachi no Mangadou event in Live Inn Magic
2007.11.04	[19:00] One Night Carnival Returns