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