Action

Oukoku E Tsuzuku Michi

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

Out (Mizuta Makoto)

Overlord

Overlord New World

Overpowered Sword

Oversleeping Takahashi

Owari no Seraph

Panlong

Party Kara Tsuihou Sareta Sono Chiyushi, Jitsuha Saikyou Nitsuki

Peach Boy Riverside

Peerless Dad

Perfect Number

Pieces: The Return to Vengeance

Player