Chizu has done the following roles in audio drama.

Aoyama Nichoume Gekijou [Radio] {Episode 83}	Okkaasan
Black Rod [CD]	Mizu Magunasu
Boys Be... [Magazine DD Book]	?
Choujin Gakuen Gowcaizer [CD]	Shikou Mine
Cobalt New Tokimeki Telephone [Telephone] {Megami no hanayome (Chuuhen)}	Rakurize
Cobalt Tokimeki Drama CD Remix [CD] {Ryuuketsu Megamiden}	Rakurize
Dark Hunter -Ijigen Gakuen [CD]	?
Dear My Friends -Shaberasete Misemashou- [CD]	?
Hoshi no Oka Gakuen Monogatari Gakuensai [CD, Radio] {Volume 2}	?
Houshin Engi [CD] {Level-III}	Kinkou Seibo
Housou wo tsudukeyo! Hiroshima Chuuou Housoukyoku no 8 gatsu 6 nichi [Radio]	Shimizu
Hyper Securities [CD]	?
Kokoro tsunaide [CD]	?
Kouda Mariko no Radio Canvas Special [CD]	?
Kuro Kami no Captured [CD]	Face
Lunatic Dawn III [CD]	Hayate no Shiira
Makeruna! Makendou [CD]	?
Minaguchi Yuko no Dear My Friends -Shaberasetemisemashou- [CD]	?
Psychic Force [CD, radio]	Patty's mother
Ranmaru XXX [CD]	Holstein
Romangari [CD]	Seikadou
Ryuusei Kurabu [ABC Radio 1008 kHz] {Episode 71-72}	Kurusu Keiko (33, Ginza no hostess)
Ryuusei Kurabu [ABC Radio 1008 kHz] {Episode 86-87}	Kuze Miho
Sangokushi DX [CD] {Shokatsu Ryou Seiranden 1}	?
Sangokushi DX [CD]	?
Sekai Meisaku Ehon [CD] {Volume 1, Track 2, Match uri no shoujo}	?
Sekai Meisaku Ehon [CD] {Volume 9, Track 2, Shiroi kojika}	?
Sekai Meisaku Ehon [CD] {Volume 9, Track 3, Aoi tori (L'Oiseau Bleu)}	?
Sekai Meisaku Ehon [CD] {Volume 11, Track 3, Kouseina saibankan}	?
Sekai Meisaku Ehon [CD] {Volume 13, Track 2, Kaeru hime}	?
Senor Senorita [CD]	?
Sentimental Graffiti [CD]	Matsuoka Chie
Suppin Spirit [CD] {Volume 1-2}	Hiratsuka Misako (Sa-ya's mother)
Tales of Eternia [CD] {Level 3-4}	Aira
Wedding Dress ni Akai Bara [CD]	Kisaragi Yoko