Overlord: Ple Ple Pleiades - Nazarick Saidai no Kiki
ORESUKI Are you the only one who loves me? - I Politely Move Things Forward
Osamake: Romcom Where The Childhood Friend Won't Lose
Oreshura
Overlord: Ple Ple Pleiades 2
Onimai: I'm Now Your Sister!
Owarimonogatari
ORESUKI Are you the only one who loves me? - Our Playball / Our End Run / Our Game
Otoboku: Maidens are Falling for Me! Special
Our Last Crusade or the Rise of a New World
One-Punch Man Season 2
OniAi