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

2015.07.05	Venus Project Housou Chokuzen Tokuban	host
2015.07.12	Venus Project -Climax- Dai 1 Wa Jizen Tokuban	host
2015.08.16	Venus Project -Climax- Anime Omatase Osarai Special	host
2015.08.23	Venus Project -Climax- Anime Dai 2 Wa Jizen Tokuban	host
2015.08.30	Venus Project -Climax- Anime Dai 3 Wa Jizen Tokuban	host
2015.09.06	Venus Project -Climax- Anime Dai 4 Wa Jizen Tokuban	host
2015.09.20	Venus Project -Climax- Anime Saishuukai Jizen Tokuban	host
2015.12.25-	Hayase Marika no OO Biyori [recorded]	host
2016.09.01	Megami Radio [HiBiKi radio]	guest
2016.09.08	Megami Radio [HiBiKi radio]	guest
2017.12.08	Hata Sawako no Shawa Gohan 18 [live]	guest
2018.01.22	Ri-kei Radio 4	guest
2018.02.24	Death March kara Hajimaru Isekai Kyousoukyoku Tokuban 2	host
2018.03.17	Death March kara Hajimaru Isekai Kyousoukyoku Tokuban 3	host
2018.09.14	Hata Sawako no Shawa Gohan 27 [live]	guest
2019.09.15	Hata Sawako no Shawa Gohan 29	guest