Shizuka has done the following roles in audio drama.

Hayate no Gotoku! [CD]	Katsura Hinagiku
Hayate X Blade (Hayate Cross Blade) [CD]	Inori Sae
Ichiban Ushiro no Daimaou -anime cast- [CD]	Etou Fujiko
Mahou Sensei Negima [CD]	Kakizaki Misa
To Aru Majutsu no Index [CD] {Archives 2}	Kanzaki Kaori