Fantasy

Ore No Zense No Chishiki De Teihengyo Tamer Ga Joukyugyo Ni Natte Shimaisou Na Ken Ni Tsuite

Ore to Kawazu-san no Isekai Hourouki

Ore to Kimitachi no Dungeon Sensou

OreAku, Ore wa Seikan Kokka no Akutoku Ryōshu!

Orenchi ni Kita Onna Kishi to Inakagurashi Surukotoninatta Ken

Orient

Oritsu Majutsu Gakuin no Kichiku Koshi

Ossan teihen chiyu-shi to manamusume no henkyō raifu

Otome Game no Hametsu Flag shika nai Akuyaku Reijou ni Tensei shite shimatta

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

Overlord