Oideyo! Shiritsu Yarima*ri Gakuen

Ojou-sama wa H ga Osuki

Ojou-sama Yomeiri Kousou!

Oku-sama wa Michael

Okusama wa Moto Yariman

Omiai Aite wa Oshiego, Tsuyoki na, Mondaiji.

Ona x2

Onaho Kyoushitsu: Joshi Zenin Ninshin Keikaku The Animation

Oneshota The Animation

Oni Chichi

Oni Chichi 2

Oni Chichi 2: Harvest