Rica has done the following roles in audio drama.

Da Garn Mysterious Tour [CD]	Takasugi Seiji
Dancing Whispers [CD]	Seria
Dirty Pair Flash [CD]	Kei
Fam & Ihrlie [CD]	Raasha
Mahou Shoujo Fancy CoCo [CD]	Mule Moscow
Sokkou Seitokai [CD]	Sanada Rica
Tonde Buurin [CD]	Kuroha Keiko