Action

Ore to Kimitachi no Dungeon Sensou

Ore wa Subete wo “Parry” Suru

OreAku, Ore wa Seikan Kokka no Akutoku Ryōshu!

Orient

Origin

Oroka na Tenshi wa Akuma to Odoru

Ossan teihen chiyu-shi to manamusume no henkyō raifu

Otogi Matsuri

Otome Game No Heroine De Saikyou Survival

Otomege Sekai wa Mob ni Kibishii Sekai desu

Ougon no Keikenchi

Oujo Denka wa Oikari no you desu

Oukoku E Tsuzuku Michi

Ouritsu Mahou Gakuen no Saikasei: Slum Agari no Saikyou Mahoushi, Kizoku darake no Gakuen de Musou suru

Out (Mizuta Makoto)