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

2010 12.22	Milky Show Time (LACA-15083)	Song
2011 04.06	Colourful Garden (LACA-15110)	Song
2011 08.24	To-gather (LACA-15139)	Song
2012 05.09	Bloooom! (LACA-15197)	Song
2012 11.30	D.C.III Drama CD Collection vol.3 (CIRCUS-0320)	Talk
2012 12.28	D.C.III Drama CD Collection vol.4 (CIRCUS-0321)	Song/Talk
2013 03.06	Card Fight Vanguard Best Album (LACA-15275)	Song {Milky Holmes}
2013 04.24	D.C.III -Da Capo III- Original Sound Tracks and Image Songs (LACA-9285)	Song
2017 06.07	Japari Cafe (VICL-64787)	Song/Talk