Onimusha
ORESUKI Are you the only one who loves me? - I Politely Move Things Forward
ORESUKI Are you the only one who loves me?
Overlord: The Dark Hero
Orient
Overlord Movie: Ple Ple Pleiades
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
Ozma
Overlord: Ple Ple Pleiades 2
Osamake: Romcom Where The Childhood Friend Won't Lose
Otoboku: Maidens are Falling for Me!
Oreshura