Oni Chichi: Bacation
Oppai Gakuen Marching Band Bu!
Ojou-sama wa H ga Osuki
Okusama wa Moto Yariman
Oneshota The Animation
Ochi Mono RPG Seikishi Ruvyrias
Oide yo! Shiritsu Yarimakuri Gakuen
Oide yo! Mizuryuu Kei Land
Onaho Kyoushitsu: Joshi Zenin Ninshin Keikaku
Inkou Kyoushi No Saimin Seikatsu Shidouroku
