Rumi has done the following roles in audio drama.

Black Rod [CD]	Naomi
Chivas 1-2-3 [CD]	Ruua
Guy Brave [CD]	Momolita
Hyper Anna [radio]	Kaneko Mitsue
Kamaitachi no yoru [CD]	Kitano Keiko
Lunatic Dawn III [CD]	Tenkajin no Minako
Money Idol Exchanger [CD]	Arashizaki En (Everyworker)
Power Dolls [radio]	Cecil Felix
Sotsugyou Cross World All Stars On Stage [CD]	Nena Keelof