Chika has done the following roles in audio drama.

Genmu Senki Leda Drama hen [CT, LP]	Yoni
Gin no Yuusha [CD]	Maou
Hatsukoi Monogatari -Leave- [CD]	?
Kimagure Orange Road "Kimagure Orange Station" [CD, CT, LP]	Kasuga Kazuya
Koko ha Green Wood FM Tokuban "Ryokurin (GW) osawagase! housoukyoku" [CD]	Kisaragi Shun
Koko wa Green Wood [CD]	Kisaragi Shun
M to N no shouzou [CD]	Tsuji Ririko
Mugen Chitai Megazone 23 Image Album "Ushinawareta season" [CD]	?
Street Fighter EX [radio]	Pullum Purna
Twin Signal Sound Theater [CD]	Harmony
Virgin Dream Premium D Pack CD [CD]	?