One-Punch Man is a Japanese superhero manga series created by One. By June 2012, the original webcomic manga surpassed 7.9 million hits. A digital manga remake, illustrated by Yusuke Murata, began publication on Shueisha’s Tonari no Young Jump website in June 2012. Its chapters are periodically compiled and published into individual tankōbon volumes. As of July 2024, 31 volumes have been released. By April 2020, the manga remake had sold over 30 million copies worldwide, making it one of the best-selling manga series of all time.
It tells the story of Saitama, an independent superhero who, because he can defeat any opponent with a single punch due to having trained himself to his peak condition, grows bored from a lack of challenge, setting out to find powerful opponents, while making allies of other heroes as well.