After rigorously training for three years, the ordinary Saitama has gained immense strength which allows him to take out anyone and anything with just one punch. He decides to put his new skill to good use by becoming a hero. However, he quickly becomes bored with easily defeating monsters, and wants someone to give him a challenge to bring back the spark of being a hero.
Upon bearing witness to Saitama's amazing power, Genos, a cyborg, is determined to become Saitama's apprentice. During this time, Saitama realizes he is neither getting the recognition that he deserves nor known by the people due to him not being a part of the Hero Association. Wanting to boost his reputation, Saitama decides to have Genos register with him, in exchange for taking him in as a pupil. Together, the two begin working their way up toward becoming true heroes, hoping to find strong enemies and earn respect in the process.
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Notes:
<ul>
<li>Because some groups use the web version of the manga while others use the magazine version, the numbering won't match between different languages.</li>
<li>Because a takedown notice was sent to MangaDex from the owners of this series, fan translations of One Punch Man are currently unavailable to be uploaded. The series can be read in its entirety at <a href="https://www.viz.com/shonenjump/chapters/one-punch-man">the official Shonen Jump website,</a> with the first and latest three chapters available at any time and the rest accessible with a Shonen Jump membership (which costs about $2 a month and can be accessed via a VPN if you are outside the US).</li>
</ul>

Read the comic One-Punch Man online, along with others like The Beginning After the End, Solo Leveling, Omniscient Reader's Viewpoint, Jujutsu Kaisen, The Greatest Estate Developer, Revenge of the Baskerville Bloodhound, The Swordmaster's Son, After Ten Millennia in Hell, I’m the Max-Level Newbie, My Blasted Reincarnated Life

Action

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Award Winning

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Monsters

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Web Comic

One-Punch Man