Nagai Mariko Internet broadcasts
Some of the internet that Mariko has appeared in are as follows.
| 2019.02.12 | Idolmaster Shiny Colors nama haishin Valentine SP | guest |
| 2019.10.27 | The Idolmaster Shiny Colors 283 Production Producer Kanshasai | guest |
| 2021.03.02 | Tamaniha Iiyone 8 | guest |
| 2021.03.23 | Youkoso! Issho ni Hamarimasenka!? 2 | host |
| 2021.04.14 | Shoteigai Gakushuu 13 | guest |
| 2022.08.19 | Youkoso! Issho ni Hamarimasenka!? 19 | host |
| 2022.09.23 | Youkoso! Issho ni Hamarimasenka!? 20 | host |
| 2023.02.15 | Youkoso! Issho ni Hamarimasenka!? 25 | host |
| 2023.03.16 | Youkoso! Issho ni Hamarimasenka!? 26 | host |
| 2023.06.07 | Gomen Asobase Marumaru-san 66 | guest |
| 2023.09.29 | Jisshitsu Ie Mitai na Channel 23 | guest |
| 2023.12.31 | Youkoso! Issho ni Hamarimasenka!? 35 | host |
| 2024.01.22 | Youkoso! Issho ni Hamarimasenka!? 36 | host |
| 2024.07.25 | Kuroki Honoka no Secret Show Room 97 | guest |
| 2024.10.24 | Youkoso! Issho ni Hamarimasenka!? 45 | host |
| 2024.10.25 | Rei and Yui no Homerun Radio! 2024 Season 17 | guest |
| 2024.11.13 | Youkoso! Issho ni Hamarimasenka!? 46 | host |
| 2025.05.18 | Mayuchi no Osoto Game 57 | guest |