Genre: Shounen

Party wo Oidasareta Moto Yuusha shibono D Rank Boukensha Koe wo Neru akushita SSS Rank Mahoutsukai Bishoujo wo Hiro Soshite Iyasareru

Pajama na Kanojo

Ousama Ranking

Oukoku no Saishuu Heiki, Rettousei to shite Kishi Gakuin e

Ouji-sama no Tomodachi

Otr of the Flame

Osananajimi to wa Rabukome ni Naranai

Osananajimi no Ohimesama

Osananajimi ga Mamasugite Tsurai

Osananajimi ga Hisabisa ni Saikai Shitara Otagai Kyonyuu ni Natteta

Orient

Ore wo Suki Nano wa Omae Dake ka yo

Ore wa Subete wo “Parry” Suru

Ore ga Akuma de, Aitsu ga Yome de.

Ore dake Level ga Agaru Sekai de Akutoku Ryoushu ni Natteita

Ore da Mada Honki o Dashite Inai

Opapagoto

Ootani-san Chi No Tenshi-sama

Only Sense Online

Onizuka-chan and Sawarida-kun

Oniyome wo Metotte Shimatta

Onepunchman Saitama vs God

One Piece: Ace Story

Okyu no Trinity