Ore no Imouto ga Konnani Kawaii Wake ga Nai
Onyankopon
Oreshura
Onimusha
Onigiri
Onipan!
ORESUKI Are you the only one who loves me? - Our Playball / Our End Run / Our Game
Overlord Movie: Ple Ple Pleiades
Oomuro-ke: Dear Sisters
Orphen 2: Revenge
Ore no Imouto ga Konnani Kawaii Wake ga Nai.
Oretachi, Tomodachi!