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