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

2000 09.10	Anime Channel live chat [video]	guest
2000 09.24	Anime Channel live chat [video]	guest
2000 10.01	Anime Channel live chat [video]	guest
2000 10.15	Anime Channel live chat [video]	guest
2000.11	Kira Kira Shiyo! [radio]	host
2000 11.06	Anime Channel live chat [video]	guest
2000 12.25	Anime Channel live chat [video]	guest
2001 03.17	Mahou de Night [radio]	guest
2001 12.07	Idol 109 part 3 [radio]	guest
2005 00.00	Stcat "Seiryuumon" [radio]	host