Etsuko has done the following roles in audio drama.

Aozora Shoujotai [CD] {Aozora Douchuu}	Uguisudani Arere
El Hazard [CD]	Areere
Himikoden -Renge- [CD]	Tadami
Musekinin Kids [CD]	Eliza
Tenchi Muyou [CD]	Ryououki
Tenchi Muyou Daiichi Otaku ha Dare? [CD]	Ryo-ohki
Vampire Hunter [CT]	Felicia