Omi has done the following roles in audio drama.

Denshin Mamotte Shugogetten! [CD]	?
Di Gi Charat [CD]	Minataku (Minagawa Takurou)
The Drama Side of Apocripha/0: Blue Tail in the Cross [CD] {Volume 1-2}	?
Excel Saga [CD]	Hyatt
G-On Riders [CD]	Seira
Hand Maid May [CD]	CBD Kei
Kidou Senkan Nadesico Oshare Club [CD]	Hoshino Ruri
Minna de tsukuru Yuukyuu CD! [CD]	?
Mugen no Ryvius (Infinite Ryvius) [CD]	?
Revive... "Portrait-2" [CD]	?
Sensei no Ojikan [CD]	?
Yuukyuu Kumikyoku All Star Project [CD]	Christopher Cross