opm manga online (Japanese: ワンパンマン, Hepburn: Wanpanman) is one of the most popular Japanese superhero manga and anime franchises, created by the artist ONE. Known for its mix of action, comedy, and parody, the series has gained worldwide recognition. At its heart lies the story of Saitama, an ordinary man turned extraordinary hero who can defeat any enemy with a single punch. Who Is Saitama?...