One-Punch Man Manga Volume 1 features story by ONE and art by Yusuke Murata.

Nothing about Saitama passes the eyeball test when it comes to superheroes, from his lifeless expression to his bald head to his unimpressive physique. However, this average-looking guy has a not-so-average problem - he just can't seem to find an opponent strong enough to take on! Every time a promising villain appears, he beats the snot out of 'em with one punch! Can Saitama finally find an opponent who can go toe-to-toe with him and give his life some meaning? Or is he doomed to a life of superpowered boredom?

One-Punch Man Manga Volume 2 features story by ONE and art by Yusuke Murata.

Nothing about Saitama passes the eyeball test when it comes to superheroes, from his lifeless expression to his bald head to his unimpressive physique. However, this average-looking guy has a not-so-average problem - he just can't seem to find an opponent strong enough to take on!

He's easily taken out a number of monsters, including a crabby creature, a malicious mosquito girl, and a muscly meathead. But his humdrum life takes a drastic turn when he meets Genos - a cyborg who wants to uncover the secret behind his strength!

One-Punch Man Manga Volume 3 features story by ONE and art by Yusuke Murata.

Nothing about Saitama passes the eyeball test when it comes to superheroes, from his lifeless expression to his bald head to his unimpressive physique. However, this average-looking guy has a not-so-average problem - he just can't seem to find an opponent strong enough to take on!

For three years, Saitama has defeated countless monsters, but no one knows about him... That's because he isn't in the Hero Association's registry! Together with Genos, Saitama decides to take the Hero Association's test! But can they pass?!

One-Punch Man Manga Volume 4 features story by ONE and art by Yusuke Murata.

Saitama is now a certified hero! And with that title comes great responsibility-he's required to perform one heroic deed per week. While Saitama makes the rounds to meet his quota, an incoming threat from outer space is screeching toward Earth... Will he be able to face it?

One-Punch Man Manga Volume 5 features story by ONE and art by Yusuke Murata.

To stop a Demon-level crisis, Saitama and company head toward the action. However, even Class S heroes prove to be no match for the Deep Sea King! In order to protect the good citizens, our heroes will need to summon all of their courage and confront this threat in volume 5 of One-Punch Man!