Chiaki has done the following roles in audio drama.

Boku no mono ni narinasai [CD]	female student
Double Call [CD] {IV-VII}	Touma Tatsumi (childhood)
Enjoi Akira sensei [CD]	Hinata Mihiro
Final Approach [CD]	Mutsu Emiho
Futakoi -Futakoi- [Radio] {2004.05.16}	Momoi Ai
Gaki no Ryoubun [CD] {Volume 2}	?
Ichiban Ushiro no Daimaou -anime cast- [CD]	Torii Mitsuko
THE iDOLM@STER [CD]	Miura Azusa
THE iDOLM@STER: Masterpiece 04 [CD]	Miura Azusa
Inclusion [Radio] {Episode 5}	joshi gakusei 2
Inclusion [Radio] {Episode 6}	Ryouko
Kosupure Complex Drama Album Moete Chako tte Cosplay Bu [CD]	Aoshima Reika
Ludvig Kakumei [CD]	majo
Muteki Suteki Robo Bornus [Radio]	Suzu Hanako
Planet Guardian [CD]	Kisaragi Koyuki
Sotsugyou III [CD]	Matsuyama Misaki
Taishou Yakyuu Musume. Otometachi no Hiking [CD]	Anna Kirkland
Takumi kun series [CD] {Yume no atosaki}	tegami no onnanoko
True Love Story 3 [CD]	Aotsuki Takane
Watashi no... Megane kun -Kare ha amai kutsui [CD]	Sawada Tomoe
Watashi no... Megane kun -Kare ha amai kutsui [CD]	Shimota Chouko
Watashi no... Megane kun -Kare ha amai kutsui [CD]	Shimota Chousuke
Yamada Tarou Monogatari [CD]	Yamada ?