Manga

The opening chapter of the One-Punch Man manga introduces Saitama, a plain-looking hero who ends the monster Vaccine Man's rampage on A-City with a single blow, only to be left frustrated that yet another fight failed to challenge him.

Crab and Job Hunting is the second One-Punch Man chapter, opening the Saitama Introduction Arc. Set three years before the main story, it flashes back to a still-haired, still-employed Saitama and the crab creature whose defeat set him on…

A scientist's ultimate steroid turns his younger brother into a hill-sized giant bent on flattening every city in reach. Riding along unnoticed on the monster's shoulder, Saitama watches the rampage undo itself before ending it with a…

The fourth chapter turns a supposed underground invasion into an anticlimax, as Saitama battles the Subterranean People in a dream and then finds the real threat surrendering before he can enjoy a single fight.

One-Punch Man's fifth chapter, "Itch Explosion," watches Saitama fume over a mosquito he cannot swat while a Demon-level swarm led by Mosquito Girl descends on Z-City, drawing out the newly arrived cyborg Genos.

The sixth chapter, Saitama, pits Genos against the empowered Mosquito Girl, who dismembers him and drains her whole swarm for power. Genos wipes out the mosquitoes in an explosion that leaves the newly arrived Saitama unharmed, and when…

Genos presses Saitama to take him on as a student just as the House of Evolution launches a coordinated assault on the apartment, sending wave after wave of engineered creatures against the unbothered hero.

The eighth chapter of One-Punch Man closes out the House of Evolution's ambush as Beast King throws everything at a bored Saitama, while Genos wrestles Armored Gorilla into surrendering the secrets of who sent them.

The ninth installment of One-Punch Man reveals how Dr. Genus lost faith in humanity and founded his cloning laboratory, then sends Saitama and Genos storming that mountain base as the disillusioned scientist prepares to loose his ultimate…

Saitama and Genos push deep into the House of Evolution and confront its strongest creation, Carnage Kabuto, whose animal instincts flare with terror the moment he senses just how dangerous the bald hero truly is.

Saitama finally reveals the secret behind his overwhelming strength, an absurdly plain daily workout that leaves Genos furious and drives Carnage Kabuto into a rage that ends his House of Evolution ambitions in a single punch.

The twelfth chapter, Paradise Group, introduces Hammerhead's bald terrorists as they blunder toward Zeniru's mansion, run over Mumen Rider, and draw both Saitama and Speed-o'-Sound Sonic into the mess.

The thirteenth chapter pits Speed-o'-Sound Sonic against the muscle-bound Hammerhead, whose thrown boulders and brute strength cannot touch the ninja, and a supposedly fatal blow sends the survivor stumbling straight into Saitama.

The 14th chapter of One-Punch Man, titled Don't Know You, from the Paradise Group Arc. Saitama flattens Hammerhead with a single hit, then meets Speed-o'-Sound Sonic, who fixates on the one man who can casually block his strikes.

Hobby and Work is the fifteenth chapter of One-Punch Man, part of the Paradise Group Arc. Speed-o'-Sound Sonic's boastful duel with Saitama ends in humiliation, and a follow-up chat with Genos pushes Saitama toward the official Hero…

The 16th chapter of One-Punch Man follows Saitama and Genos through the Hero Association registration exam, where their wildly different rankings and a chip on Sneck's shoulder set the tone for the newly minted heroes.

Freshly ranked into the hero registry, Genos drags Saitama to a quarry for a sparring match. Genos throws everything he has at his master, from cannon beams to point-blank blasts, but Saitama slips past all of it and ends the bout with a…

Genos moves in as a paying tenant and student of Saitama's power, and when Saitama learns idle C-Class heroes get cut from the roster, he scrambles across town hunting for any crime to fight before his time runs out.

The nineteenth One-Punch Man chapter throws Saitama into a fight he does not want, as Speed-o'-Sound Sonic returns for a rematch while Saitama is preoccupied hunting for someone worth punching, a distraction that soon draws a fellow hero…

Rumor is the twentieth One-Punch Man chapter and part of the Rumored Monster Arc. It follows two A-Class heroes surveying a deserted stretch of Z-City, where talk of powerful creatures massing in the outskirts draws out the monster Kombu…

Giant Meteor is the twenty-first chapter of the One-Punch Man manga and the centerpiece of the Giant Meteor Arc. A colossal rock hurtles toward Z-City, and while Genos and Metal Knight fail to stop it, Saitama shatters the threat with a…

Voices is the 22nd chapter of One-Punch Man, collected in Volume 4 and part of the Giant Meteor Arc. Three days after the meteor, the fallout boosts Saitama's rank, and the Tanktop brothers try to turn a grieving public against him, only…

Threat from the Sea opens the Sea Monster Arc as Seafolk invaders rise to claim the surface. Saitama swats the first away, but a flood of them overruns J-City, leaving the A-Class hero Stinger to fight alone until the Deep Sea King cuts…

The Sea Monster Arc hits crisis pitch as authorities push the Seafolk emergency up to Demon level and order the city emptied. The unstoppable Deep Sea King strolls through the streets and crushes Lightning Max with ease, until Puri-Puri…

The Deep Sea King tears through two more challengers as Puri-Puri Prisoner and Speed-o'-Sound Sonic each take their shot and fall short. When the monster smashes into a crowded shelter, a fresh wave of heroes steps up to block his path…

A dropped phone hands Saitama the monster's location while the heroes at the shelter fall one after another. Genos arrives to stand against the Deep Sea King, loses an arm, and still throws himself in the way of an acid attack meant for a…

Broken and dissolving in the rain, Genos still refuses to quit, and an outmatched Mumen Rider hurls himself and his bicycle at the monster in a hopeless stand. Their defiance buys just enough time for Saitama to finally step onto the…

One punch ends the Deep Sea King, and one ungrateful heckler nearly turns the crowd against every hero who bled. Saitama chooses to shoulder the blame himself so the wounded fighters get their due, just as a distant seer warns that the…

A sack of fan mail rewards Genos with praise and buries Saitama in scorn, but one grateful note stands out. Called in to be bumped up the ranks, Saitama picks a promotion to B-Class and later shares a quiet meal with the man who thanked…

A visit to Bang's quiet dojo drops the first hint of a disciple named Garou before an emergency summons pulls the martial arts master, Saitama, and Genos into a gathering of the Hero Association's most powerful. Among the elite, Saitama's…

The S-Class meeting reveals that the seer Shibabawa has died, leaving behind a final warning that the Earth is in danger from something beyond Dragon level. Before the heroes can even absorb it, the prophecy begins to come true as Skyfolk…

A colossal alien warship levels A-City in seconds, confirming Shibabawa's dire prophecy and dropping the shapeshifting Melzargard into the S-Class heroes' path. While the elite struggle against the invaders below, Saitama quietly climbs…

The S-Class heroes ignore every call to retreat and finally start cracking Melzargard's hidden cores, while deep inside the warship Saitama does the exact opposite of what his telepathic guide demands and walks straight into the leader's…

Saitama shatters Geryuganshoop with a thrown rock and cracks the armor that keeps Boros in check, forcing the alien warlord to transform. Above the battlefield, Tatsumaki turns the ship's own missiles back on it as the S-Class heroes press…

The thirty-fifth chapter of One-Punch Man splits its attention across three battles: Tatsumaki straining against the alien vessel, Bang shrugging off Melzargard, and Saitama trading blows with Boros as the invasion nears its breaking point.

The thirty-sixth chapter brings the clash between Saitama and Boros to its peak, as the alien warlord empties his entire arsenal and Saitama answers with a single decisive strike that settles the fight for good.

The thirty-seventh chapter closes the alien invasion as the vessel comes down and levels A-City. Sweet Mask and Metal Knight arrive with their own agendas while Saitama walks out of the wreckage to Tatsumaki's fury.

The thirty-eighth chapter introduces King, the feared S-Class hero whose towering reputation rests on a colossal misunderstanding, as a war machine called G4 targets him and Genos steps in to fight in his place.

The thirty-ninth chapter, That Person, is a quiet coda in which a tearful King finally confesses to Saitama that his legend is built entirely on borrowed victories. In the same breath he realizes Saitama is the man behind the feats…

The fortieth chapter opens the Garou Introduction Arc, pairing Genos's renewed drive for an upgrade with a Hero Association scheme to recruit criminals that instead flushes out the man destined to become a monster.

The forty-first chapter cements Garou as a force of chaos, tracing his childhood love of villains and watching him single-handedly wreck a room full of criminals before declaring open war on the heroes.

The forty-second chapter opens the Blizzard Group Arc as Fubuki and her B-Class subordinates march on Saitama's home to recruit him, while Genos and Sonic square off nearby over a promotion neither Saitama noticed.

The forty-third chapter pits Fubuki's psychic assault against an utterly unbothered Saitama, whose lecture on heroism drives her to tears just as Genos and Sonic's clash nearly catches her in the crossfire.

The forty-fourth chapter races through Genos's speed duel with Sonic before Saitama steps in and closes the matter himself, leaving Fubuki convinced of just how far beyond everyone the bald hero really is.

The forty-fifth chapter, Hero Name, unpacks Fubuki's insecurity beside her sister Tatsumaki, whom she can never surpass while Sweet Mask guards Rank 1. Sweet Mask kills the escaped caveman Suppon despite orders to take it alive, Saitama…

The forty-sixth chapter of One-Punch Man, titled "Hero Hunt," follows Bang casting Charanko out of his dojo while Garou's pursuit of Mumen Rider draws in the Tank Topper Army and its leader, Tanktop Master, whose charge fails to bring the…

One-Punch Man's forty-seventh chapter, "Technique," sees Garou drop his restraint to dismantle Tanktop Master and his disciples, revealing his identity before Bang and Bomb arrive to find a battered Charanko amid the wreckage.

In One-Punch Man's forty-eighth chapter, "Banana," a boastful Red Nose learns not to underestimate Garou, Saitama hears about the hunter while visiting Mumen Rider, and Garou quizzes a young boy about heroes.

The forty-ninth chapter of One-Punch Man, "I'm Bored Anyway," has Saitama expect to be Garou's next target and then latch onto the cash prize of the Super Fight Tournament after Charanko tells him about it.

In the fiftieth chapter, Getting Cocky!, Garou picks a fight with Golden Ball outside the Venomous Bug tavern and the two settle it in a side alley. Golden Ball's ricochet shot briefly surprises him, but Garou dodges the marksman's whole…