Genre: Comedy

Oniichan Control

Onii-chan to Mitsugo no Imouto-tachi

Onepunchman Saitama vs God

Onegai Desu Kara Uketekure

Onee-chan wa Game o Suruto Hito ga Kawaru Onee-chan

One-Punch Man (ONE)

One Piece: Ace Story

Omaera Zenin Mendokusai!

Omae, Tanuki ni Naranee ka?

Okyu no Trinity

Oku-sama wa Niizuma-chan

Okitsune Gal Katabami-san

Okinawa de Suki ni Natta Ko ga Hougen Sugite Tsura Sugiru

Okaeri Kudasai Succubus-san

Ojousama no Shimobe

Ojou-sama wa Love Come no Shujinkou ni naritai!

Ojou-sama no Shimobe

Oji-san ga Joshi●sei ni Warui Koto wo Oshieru hanashi

Oji Tensei ~Akuyaku Reijou no Kareinaru Seikatsu~

Ochinai Yogore wo Boku wa Nanto Yobeba Yokatta noka

Ochikobore Kuni o Deru ~ Jitsuwa sekai de 4 Hitome no Fuyo-Jutsu-shidatta Kudan ni Tsuite ~

Ochame na Okusan to no Nichijou Chabangoto

Obokoi Majo wa Majiwaritai!?

Nyanta to Pomeko “Imasara Shinjite Iru to Iwarete mo Mou Teokureda”