Overtake!
Orange: Mirai
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
Onmyoji
Otome wa Boku ni Koishiteru: Futari no Elder The Animation
Only Yesterday
Otoboku: Maidens are Falling for Me!
Orange
Onihei
Over the Sky
Origin: Spirits of the Past
Otaku no Video