Overlord: Ple Ple Pleiades 3
ORESUKI Are you the only one who loves me? - I Politely Move Things Forward
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
Otome wa Boku ni Koishiteru: Trinkle Stars The Animation
Ore no Imouto ga Konnani Kawaii Wake ga Nai: SD Chara ni Yoru Character Commentary
Osomatsu-san: Hipipo-Zoku to Kagayaku Kajitsu
Oomuro-ke: Dear Sisters
Origin: Spirits of the Past
Ore, Tsushima (ONA)
Oreshura
ORESUKI Are you the only one who loves me? - Our Playball / Our End Run / Our Game
Onimai: I'm Now Your Sister!