Orokamono no Koi MangaOrokamono no Koi   Manga It exists. Someone who would tell you “anyone but him,” or “he may be cool, but it can’t be him.” “You may think he’s a good person, but it can’t be him.” “You can’t be alone together,” “You can’t fall for him,” “You can’t look at him without his glasses...
Ojousama to Youkai Shitsuji MangaOjousama to Youkai Shitsuji MangaA compilation of four sweet stories
Orange Marmalade MangaOrange Marmalade Manga What happens to a female vampire trying to live a normal school life when she meets the most popular boy in school and nips his neck?
Oresama Teacher MangaOresama Teacher Manga Kurosaki Mafuyu was a juvenile delinquent and head of her gang before her subsequent arrest got her expelled from high school. Now that she’s transferred to a new high school, she’s determined to become an “ultra-shiny, super feminine high school student.” But with a new friend like...
Onepunch-Man MangaOnepunch-Man   Manga Follows the life of an average hero who manages to win all battles with only one punch. This ability seems to frustrate him as he no longer feels the thrill and adrenaline of fighting a tough battle, which leads to him questioning his past desire of being strong.
Omamori Himari MangaOmamori Himari Manga After losing his last relatives Amakawa Yuuto lives with his childhood friend Rinko, his only problem being his allergy to cats. Until on his 16th birthday a girl with a sword appears, telling him that he is the descendant of a family of demon slayers and that she is a spirit sworn to protect...
Owari no Seraph MangaOwari no Seraph Manga Set in the near future, in a world where humans have to fend against vampires. Having lost everything during one such attack, Hyakuya Yuuichirou aims to join a specialized military squad for the sake of revenge, even as more unnatural things begin to occur...
Onepunch-Man (ONE) MangaOnepunch-Man (ONE) MangaFollows the life of an average hero who manages to win all battles with only one punch. This ability seems to frustrate him as he no longer feels the thrill and adrenaline of fighting a tough battle, which leads to him questioning his past desire of being strong.
Ouroboros MangaOuroboros Manga At first glance Ryuzaki Ikuo, a detective in the Shinjuku Police Department’s 2nd detective unit, & Danno Tatsuya, a high ranking member of the Matsuo Yakuza clan have nothing in common. However they both are working themselves up the ladder in their respective careers for one reason...
Overlord MangaOverlord MangaThe story begins with Yggdrasil, a popular online game which is quietly shut down on its last day. Our protagonist Momonga decided to stay until the last moment in his beloved game and wait for the force logout. Unexpectedly, the server did not shut down and Momonga is stuck in his skeleton body...
One Piece MangaOne Piece MangaGol D. Roger was known as the Pirate King, the strongest and most infamous being to have sailed the Grand Line. The capture and death of Roger by the World Government brought a change throughout the world. His last words before his death revealed the location of the greatest treasure in the world,...
Ore no Kanojo to Osananajimi ga Shuraba Sugiru Ai MangaOre no Kanojo to Osananajimi ga Shuraba Sugiru Ai Manga A spin off based on Ai's usual antics of "trying to get closer to Ta-kun" from even before affiliating herself with the Jien Otsu club.
Oni ni Hatsujou MangaOni ni Hatsujou MangaWhen Tanami Riku’s father died in a traffic accident, he was left all alone. Then suddenly a guy named Onikubo Nagi came and demanded to be his guardian in place of his father, who was actually Nagi’s former teacher. Then he applied as Riku’s homeroom teacher! He pushed himself into Riku’s...
Orichalcum Reycal MangaOrichalcum Reycal   MangaSakugi Mitsuaki is a poor college student who gets hooked on figure modeling. In return for helping his class he receives some special putty -- but the figure he builds with it suddenly comes to life. The figure is a life force called Orichalcum ("Oriharukon") that fulfills the wish of its creator....
Oh, My God! MangaOh, My God! Manga In Heaven there is a company run by gods of different religions. When God claims he wants to end the earth, the gods are called together for a meeting when suddenly an unlikely situation brings even bigger conflict among the higher beings. A highly acclaimed University manhwa in 2012