Otome wa Boku ni Koishiteru: Futari no Elder The Animation
One Week Friends
Our love has always been 10 centimeters apart.
Origin: Spirits of the Past
Otaku no Video
Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
Otoboku: Maidens are Falling for Me!
Orb: On the Movements of the Earth
Onmyoji
Only Yesterday
Orange
One: Kagayaku Kisetsu e