Oneechan ga Kita: Hajimete no… Kitaa!
Owarimonogatari
Onimai: I'm Now Your Sister!
Osomatsu-san: Hipipo-Zoku to Kagayaku Kajitsu
Ouran High School Host Club
One-Punch Man
Overlord: Ple Ple Pleiades
Operation Han-Gyaku-Sei Million Arthur
Otoboku: Maidens are Falling for Me!
Overlord Movie: Ple Ple Pleiades
Osamake: Romcom Where The Childhood Friend Won't Lose
Ore no Imouto ga Konnani Kawaii Wake ga Nai.: SD Chara ni Yoru Short Movie