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

2018.11.07	Throne of Despair [2_wEi] (PLAN-011)	Song
2019.05.22	I'm The Queen [Queen of Purple] (VIZL-1594)	Song
2020.02.02	Return Zer0; [2_wEi] (8BST-0013)	Song