School

Okusama ga Seitokaichou!+!

Omae wa Mada Gunma wo Shiranai

Omoi, Omoware, Furi, Furare

One Room, Hiatari Futsuu, Tenshi-tsuki.

Oniichan wa Oshimai!

Orange

Orange: Mirai

Ore wo Suki nano wa Omae dake ka yo

Ore wo Suki nano wa Omae dake ka yo: Ore wa Teinei ni Susumeru

Oroka na Tenshi wa Akuma to Odoru

Osananajimi ga Zettai ni Makenai Love Comedy

Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta…

Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta… Movie

Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta… OVA

Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta… X