Mariko appears (sings/talks) in the following miscellaneous CDs.

2021.03.10	The Idolm@ster Shiny Colors Colorful Fe@thers -Sol- (LACA-15863)	Song
2024.10.30	Happy Surprise Trick! (LACA-25127)	Song

Mariko appears (sings/talks) in the following CD singles.

2018.06.06	The Idolm@ster Shiny Colors Brilli@nt Wing 01 (LACM-14781)	Song
2018.09.05	The Idolm@ster Shiny Colors Brilli@nt Wing 04 (LACM-14784)	Song
2018.12.19	The Idolm@ster Shiny Colors Se@sonal Winter (LACM-14820)	Song
2019.04.10	The Idolm@ster Shiny Colors Fr@gment Wing 01 (LACM-14861)	Song
2019.07.10	The Idolm@ster Shiny Colors Fr@gment Wing 04 (LACM-14864)	Song
2020.02.12	The Idolm@ster Shiny Colors Sweet Step (LACM-14965)	Song
2020.04.08	The Idolm@ster Shiny Colors Gr@date Wing 01 (LACM-14982)	Song
2020.11.18	The Idolm@ster Shiny Colors Gr@date Wing 04 (LACM-14985)	Song
2021.04.14	The Idolm@ster Shiny Colors L@yered Wing 01 (LACM-24111)	Song
2021.07.14	The Idolm@ster Shiny Colors L@yered Wing 04 (LACM-24114)	Song
2022.04.13	The Idolm@ster Shiny Colors Panor@ma Wing 01 (LACM-24251)	Song
2022.07.13	The Idolm@ster Shiny Colors Panor@ma Wing 04 (LACM-24254)	Song
2023.06.14	The Idolm@ster Shiny Colors Canvas 03 (LACM-24363)	Song
2023.10.18	Shiny Colors Song for Prism Hoshi no Koe (LACM-24437)	Song
2024.01.24	Shiny Colors Song for Prism Ashita mo Beautiful Day (LACM-24476)	Song
2024.01.24	Shiny Colors Song for Prism Hadashi ja Irarenai (LACM-24475)	Song
2024.04.10	Tsubasa Gravity (LACM-24508)	Song
2024.07.10	The Idolm@ster Shiny Colors Echoes 03 (LACM-24543)	Song
2024.10.09	Prism Flare (LACM-24580)	Song
2024.11.20	Shiny Colors Song for Prism C'mon! Join Us (LACA-25133)	Song
2025.01.22	The Idolm@ster Shiny Colors Echoes 09 (LACM-25115)	Song
2025.01.29	Shiny Colors Song for Prism Kaitou V wo Minogasuna (LACM-24635)	Song
2025.01.29	Shiny Colors Song for Prism Shower of Light (LACM-24634)	Song