ORESUKI Are you the only one who loves me?
Origin: Spirits of the Past
Orange: Mirai
Our love has always been 10 centimeters apart.
Orange
Otoboku: Maidens are Falling for Me! Special
Oreshura
Our Last Crusade or the Rise of a New World Season 2
Orb: On the Movements of the Earth
Otaku no Video
Otoboku: Maidens are Falling for Me!
Ore no Imouto ga Konnani Kawaii Wake ga Nai.