Onimai: I'm Now Your Sister!
Onyankopon
ORESUKI Are you the only one who loves me?
ORESUKI Are you the only one who loves me? - Our Playball / Our End Run / Our Game
Osamake: Romcom Where The Childhood Friend Won't Lose
Oreshura
Osomatsu-san: Ouma de Kobanashi
Ore no Imouto ga Konnani Kawaii Wake ga Nai.: SD Chara ni Yoru Short Movie
Overlord: Ple Ple Pleiades 3
Oneechan ga Kita: Hajimete no… Kitaa!
Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... Movie
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?