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

2018.08.16	Denjin Gacha "Hi Score Girl"	guest
2019.03.07	Bokutachi ha Benkyou ga Dekinai Ongaku Unit Study Happyoukai	guest
2019.04.16	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 1	host
2019.05.09	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 2	host
2019.06.12	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 3	host
2019.07.17	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 4	host
2019.08.21	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 5	host
2019.09.29	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 6	host
2019.10.10	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 7	host
2019.11.10	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 8	host
2019.12.11	Iji Bato Station 2	host
2019.12.22	Bokutachi ha Benkyou ga Dekinai niconama tokuban Ready Study Go! 9	host
2020.02.14	Tomodachi no Imouto ga Radio demo Uzai Valentine Special	host
2020.07.09	Gangan GA Channel Imo Uza Special	host
2021.01.31	GA Fes 2021	guest
2021.05.13	Gangan GA Channel 84	host
2021.09.09	Gangan GA Channel 88	host
2021.12.16	Gangan GA Channel 89	guest
2022.02.19	Shikkakumon no Saikyou Kenja 7Wa Chokuzen Special	host
2022.02.24	Gangan GA Channel 91	host
2022.05.19	Gangan GA Channel 94	host
2022.10.22	Gangan GA Channel 98	host
2023.07.06	Gangan GA Channel 102	host
2023.09.26	Shy Housou Chokuzen Kinen Cast Daishuugou Special	guest
2023.10.13	Sokosoko Paka Live TV Vol.27	host
2024.06.22	Isekai Shikkaku Housou Chokuzen Shinjouhou Kaikin Tokuban	host
2024.09.14	Shy Tokyo Dakkanhen Climax Tokuban	host
2024.10.12	Mementomori 2 Shuunen Kinen Koushiki Namahousou	guest
2024.11.30	Class no Daikirai na Joshi to Kekkon surukoto ni natta Special Stage	guest