Maria has done the following roles in audio drama.

CLAMP Gakuen Kaiki Genzou Kenkyuukai Jiken File [CD]	Ibuki Rion
Hand Maid May [CD]	CBD May
Pani Poni [CD]	Behoimi [1D]
Pani Poni Second Season [CD]	Behoimi
Taishou Yakyuu Musume. Otometachi no Hiking [CD]	Ogasawara Akiko
Triangle Session [CD]	?
True Love Story 3 [CD]	Honjou Emi