Chapter Summaries

Gawain arrived in a version of the One-Punch Man world without the Hero Association and settled in Z City while seeking a way to break his limiter. As he learned how the world’s monsters and heroes were handled, he discovered that Blast had become a legend despite rarely being seen.

• Watchdog Man questioned Gawain in Q City, then lost interest and disappeared without pursuing how he had arrived.
• Gawain decided to blend into the world, find his limiter, and seek a way to control Voice of All Things through battles with monsters.
• Gawain moved to Z City, rented a residence in its commercial district, and discovered that the Hero Association did not exist there.
• Gawain listened at a café as locals described the Tanktop Army, the Council of Swordmasters, martial arts schools, and Bang’s famous victories over monsters.
• Gawain learned that Blast’s reputation was spread by Child Emperor Yū’s manga and amplified by Tatsumaki, although few people had seen Blast himself.

Gawain searched City Z for Saitama but found no trace of him, then settled into life in City A as a celebrated hero. After defeating a monster and dining with Tanktop Master, he learned the Commercial Alliance was forming a Hero Association and met Agoni and the butt-chinned child Sun Tzu, whom a hero had saved a month earlier.

• Gawain searched the uninhabited zone of City Z for Saitama, fought off a small octopus monster, and left without finding him.
• Half a month later, Gawain arrived in City A and defeated a Tiger-level sewer monster while Tanktop Girl withdrew from the fight.
• Tanktop Master invited Gawain to dinner and discussed his failed attempt to expand Tanktop Gym into Q City.
• Tanktop Al Dente told Tanktop Master that the Commercial Alliance wanted him and Gawain to join a proposed Hero Association, so Tanktop Master went to meet its representative.
• Gawain followed Tanktop Al Dente and met Agoni, who introduced the butt-chinned child Sun Tzu and said a hero had saved him a month earlier.

Agoni explained why he wanted to establish a Hero Association and invited Gawain and Tanktop Master to join. Gawain accepted and offered to help recruit heroes, while Agoni asked how strong Gawain was and whether he could become the association’s spokesman.

• Agoni described his grandson’s rescue and the hardships faced by heroes, then announced his plan to establish a Hero Association.
• Gawain agreed to join, but Tanktop Master warned him that the Commercial Alliance might be trying to control heroes and voiced his distrust of Agoni.
• Agoni promised that the association would not be controlled by the Commercial Alliance and that heroes would decide how it operated.
• Gawain said he would join and help Agoni recruit heroes, arguing that the association could help heroes save more people.
• Agoni told Gawain that he planned to approach Bang and the Council of Swordmasters, then asked how Gawain’s strength ranked and whether he could serve as the association’s spokesman.

Gawain reassured Agoni that he could control his immense power, then proved his strength and precision to Agoni’s bodyguards without harming the room. Agoni took him to recruit Bang, who was astonished by Gawain’s martial arts and asked about his Life Return Style.

• Gawain told Agoni that destroying the world would not be difficult for him, though he carefully restrained his abilities.
• Tanktop Master agreed to join the Hero Association and rushed off to train, while Agoni rebuked his grandson for dismissing Gawain’s claims.
• Agoni’s bodyguards attacked Gawain, but he protected himself and the room, then defeated them without damaging the furnishings.
• Agoni explained his plans to recruit heroes and other groups, then traveled with Gawain to Bang’s dojo in Z City.
• Bang recognized Gawain’s exceptional martial arts, exchanged introductions with him, and asked what the Life Return Style was.

Gawain and Agoni recruited Bang to the proposed Hero Association, and Gawain revealed his supposed martial arts background and many esper abilities. When they encountered the Mud Lord, Gawain destroyed the giant with a single punch, leaving Hellish Blizzard stunned after the blast erased half a distant lake.

• Bang agreed to bring his Water Stream Rock Smashing Fist disciples into the Hero Association, provided the Commercial Alliance could not control it.
• Bang learned that Gawain was an esper and martial arts grandmaster, and Gawain told Agoni and Bang a fabricated story about his master and the Life Return Style.
• Gawain demonstrated Geppo by leaping from the moving car and stepping through the air, while Bang carried Agoni after him to watch.
• The Mud Lord emerged from the wilderness and threatened humanity, and Gawain obliterated it with a single punch that carved through the landscape.
• Hellish Blizzard, training near a lake, watched half of it vanish and was left in shock.

Fubuki fled to the wilderness after Tatsumaki rescued her, where she witnessed Gawain destroy a gigantic monster with one punch. Mistaking him for Blast at first, she begged Gawain to accept her as a disciple, and he agreed to teach her martial arts.

• Fubuki recalled how she and Tatsumaki were kidnapped and experimented on before Blast rescued them, and how their opposing views on psychic power led to a falling-out.
• After failing to improve during two years away from Tatsumaki, Fubuki left S City and vowed to become stronger than her sister.
• A gigantic mud monster appeared near Fubuki, but Gawain destroyed it with a single punch that left a vast rift in the landscape.
• Fubuki mistook Gawain for Blast and rushed to thank him, while Bang and Agoni returned to their car and left her with Gawain.
• Gawain explained that he was not Blast and that his attack had used martial skill rather than psychic power, prompting Fubuki to ask him to train her.
• Gawain accepted Fubuki as his female disciple.

Gawain, Bang, Agoni, and Fubuki traveled to B City to find Atomic Samurai and recruit heroes for the Hero Association. At a black-market fighting bar, Atomic Samurai defeated Superalloy Darkshine, and the group went to meet him.

• Fubuki mocked Bang and Agoni during the trip until Gawain explained their status and Agoni’s wealth, leaving her impressed.
• Agoni led the group to B City’s largest black-market fighting bar, where the manager offered them chips and described Superalloy Darkshine’s winning streak.
• Fubuki changed into a glamorous dress while the group watched Darkshine prepare to fight a young disciple of the Council of Swordmasters.
• Darkshine snapped the disciple’s katana but spared him, prompting Atomic Samurai to enter the ring and cut away Darkshine’s clothes and body hair with over two thousand strikes.
• Fubuki recoiled from the naked Darkshine, while Bang defended him as a suitable Hero Association recruit and urged Gawain to meet Atomic Samurai.

Gawain met Atomic Samurai, who agreed to fight after learning about the Hero Association and demanded that strength prove itself. Atomic Samurai unleashed his Atomic Slash, but Gawain stopped the attack by pinching straight through his blade, leaving him stunned.

• Atomic Samurai insulted Bang, Agoni, and Fubuki before following them from the bar to discuss the Hero Association.
• Agoni explained the Association's plans, and Atomic Samurai said he would join only if someone defeated him, then challenged Bang and Gawain.
• Atomic Samurai attacked Gawain, but Gawain caught his first sword strike with two fingers and forced him to fight seriously.
• Atomic Samurai used Atomic Slash, and Gawain stopped the technique by pinching through his sword with his fingers.

Gawain defeated Atomic Samurai, restored his resolve by demonstrating his swordsmanship, and gained his pledge to join the Hero Association. After Agoni invited Gawain to meet his gifted grandson, Tatsumaki arrived at the manor and attacked Gawain, forcing him to fight back.

• Gawain defeated Atomic Samurai, then showed him a devastating sword slash and persuaded him to train anew and join the Hero Association.
• Bang praised Gawain’s abilities, while Agoni planned to recruit Blast, Tatsumaki, and his gifted seven-year-old grandson to strengthen the association.
• Gawain agreed to meet Agoni’s grandson the next day, and the group settled at Agoni’s manor.
• Fubuki asked to stay in Gawain’s room because she feared Agoni’s grandson, but a gale tore through the villa and exposed her beneath the moonlight.
• Tatsumaki arrived, accused Gawain of abducting and exploiting Fubuki, and attacked him; Gawain covered himself with Armament Haki and launched toward her.

Tatsumaki confronted Gawain after finding Fubuki with him, and their argument escalated into a destructive battle. Gawain stopped her attacks and unleashed his Haki, while Tatsumaki grew increasingly furious at Atomic Samurai’s commentary and insisted she was not a child.

• Tatsumaki flew down to confront Fubuki, who insisted Gawain was her teacher and master.
• Tatsumaki hurled half the villa at Gawain, forcing Bang and Atomic Samurai to break out of the wreckage.
• Tatsumaki summoned a meteor, but Gawain melted the villa with lightning and shattered the meteor with Shusui before absorbing its fragments into molten metal.
• Tatsumaki attacked Atomic Samurai, but Gawain intervened and met her psychic power with a punch.
• Tatsumaki used her psychic power to crush Gawain’s clothes against him, and Gawain countered by erupting with Armament Haki and Conqueror’s Haki.
• Atomic Samurai praised Gawain at length, driving Tatsumaki into a rage as she yelled that she was twenty-five and not a child.

Gawain subdued Tatsumaki and carried her back to the villa, where Fubuki celebrated his victory by teasing her sister. Their argument over Fubuki’s independence continued as Tatsumaki insisted she still needed to protect her.

• Gawain shattered Tatsumaki’s psychic barrier, stopped her fight with Atomic Samurai, and carried her away.
• Bang and Atomic Samurai accepted Gawain’s handling of Tatsumaki, while Bang reassured the manor’s guests.
• Agoni celebrated the Hero Association’s prospects with Bang, counting Gawain, Tatsumaki, Bang, and Atomic Samurai among its powerful defenders.
• Fubuki greeted Gawain at the villa and squeezed Tatsumaki between them, prompting Tatsumaki to struggle and complain.
• Fubuki mocked Tatsumaki for losing to Gawain and argued that she no longer needed her sister’s protection.

Bang recruited Tatsumaki into the still-unformed Hero Association, but Fubuki’s teasing about her figure and Gawain’s bandages left Tatsumaki so frustrated that she blasted out of Agoni’s villa. Gawain and Fubuki prepared to travel with Bang to recruit the genius youth Yū.

• Bang found Tatsumaki brooding over Gawain’s insult and persuaded her to join the Hero Association by promising fame, leisure time, and plenty of snacks.
• Fubuki teased Tatsumaki about her figure and popularity, prompting Tatsumaki to flip Gawain’s house into the air and make Gawain join them for breakfast.
• Fubuki said she had packed Gawain’s luggage for their trip to recruit Yū, while Gawain took both sisters by the hand and servants mistook them for his family.
• At breakfast, Tatsumaki became furious when people mentioned bandages and imagined her as Gawain’s spoiled daughter.
• Tatsumaki exploded through Agoni’s villa wall and flew away, leaving Agoni wondering whether he had said something wrong.

Isamu detected a powerful arrival near his kindergarten, deployed his mech, and discovered that Agoni had brought Gawain, Tatsumaki, Bang, and Atomic Samurai to meet him. After learning that Gawain was forming the Hero Association, Isamu agreed to join as a strategist and adviser and proposed the codename Child Emperor.

• Isamu detected a powerful person approaching the kindergarten, entered his underground base, and launched his mech to investigate.
• Isamu recognized Gawain, Tatsumaki, Bang, and Atomic Samurai, then mistook Gawain for Blast and offered Tatsumaki unreleased Blast comics.
• Isamu inferred that Agoni's group was forming a hero-led organization and agreed to join after Gawain named it the Hero Association.
• Gawain adopted Isamu publicly and invited him to serve as the association's military strategist and adviser.
• Isamu recommended ways for the Hero Association to promote itself and chose Child Emperor as his codename.

Gawain and the Hero Association announced their founding and offered a ten-billion reward to anyone who could defeat him, drawing powerful challengers to City A. At the recruitment event, Puri-Puri Prisoner entered the ring and Gawain struck him so hard that he flew into the abandoned district.

• Agoni left the founding press conference to Bang and Gawain, and Gawain promised to attract recruits by challenging the world's strong fighters for a ten-billion reward.
• Bang announced the Hero Association's founding on television, and Gawain issued his challenge, prompting people across the world to take interest.
• Dr. Genus considered sending a House of Evolution test subject to claim the reward, while Saitama watched the announcement and complained about his rent before continuing his training.
• A week later, Superalloy Darkshine arrived at the recruitment event but hesitated to challenge Gawain until Puri-Puri Prisoner entered the ring.
• Puri-Puri Prisoner told Gawain he wanted to take him to prison if he won, and Gawain launched him into City A's abandoned district with a single blow.

Gawain demonstrated his overwhelming strength while explaining that the Hero Association would protect its heroes, prompting many spectators to register rather than challenge him. Flashy Flash and Zombieman then faced Gawain, who discovered that Zombieman wanted him to destroy him completely.

• Gawain defeated Puri-Puri Prisoner with one punch and told the crowd that heroes could rely on the Hero Association for protection.
• Superalloy Darkshine and many other money-minded challengers left the arena to register, while a masked spectator resolved to become a hero.
• Flashy Flash challenged Gawain, who caught him and hurled him into Puri-Puri Prisoner; Atomic Samurai went to intervene.
• Zombieman entered the arena and asked Gawain to kill him, so Gawain struck his head apart.
• Zombieman regenerated his head and begged Gawain to destroy every cell of his body so he would be completely erased.

Gawain tried to free Zombieman by destroying him, but the punch that erased Zombieman also awakened Gawain’s limiter after he heard a plea from Earth’s Will. Zombieman rebuilt himself in the arena, leaving the spectators stunned and Tatsumaki furious at his naked return.

• Dr. Genus watched Zombieman’s fight and planned further upgrades, while Gawain concluded that destroying Zombieman might free him from the House of Evolution’s control.
• Gawain engulfed Zombieman in lightning, then struck him with a punch that erased him and carved a vast empty path through the land.
• Gawain heard Earth’s Will explain that it opened the limiter of life willing to help, and he realized his strength had suddenly increased beyond anything he could previously manage.
• Bang, Atomic Samurai, Saitama, Speed-o'-Sound Sonic, and Dr. Genus reacted to the immense display of power, while the spectators watched in stunned silence.
• Zombieman reconstructed himself from blood, marrow, bones, tendons, and muscles, then Tatsumaki shouted in anger at seeing him naked.

Gawain defeated Zombieman and convinced him to join the Hero Association, then killed a powerful monster born from a poor man's despair. As the association attracted new recruits, a masked man named Mysterious Mask passed its tests and became a hero.

• Gawain covered Zombieman with his coat, offered to connect him with Metal Knight and Drive Knight, and persuaded him to join the Hero Association.
• A desperate man blamed the rich for ordinary people's suffering, struck his head against the ground, and transformed into the lower-class monster.
• Bang identified the monster as an exceptionally powerful Dragon-level threat, but Gawain killed it with one punch.
• Dr. Genus considered Gawain a possible subject for studying the human limiter, while Blast praised the Hero Association's new protector.
• After the crowd rushed to join the Hero Association, Mysterious Mask completed the registration tests and became a hero.

Child Emperor proposed hero deployment plans and equipment priorities, while Gawain suggested dividing heroes into four classes based on strength. The meeting established the first S-Class rankings and ended with Gawain asking to include Watchdog Man.

• Child Emperor proposed assigning heroes across the cities, with Gawain covering City A and nearby cities, Bang stationed near City Z, and Tatsumaki serving as a flexible backup.
• Bang identified a powerful martial-arts senior in Y City and said Blast would assist against a God-level monster, but Child Emperor refused to count unaffiliated heroes in the Association’s plans.
• Child Emperor proposed ranking heroes to guide equipment production and encourage competition, and Gawain suggested S-Class, A-Class, B-Class, and C-Class tiers tied to monster threat levels.
• Child Emperor displayed the S-Class rankings with Gawain first, Blast second, Tatsumaki third, and Bang fourth; Atomic Samurai objected to Blast’s placement until Bang and Tatsumaki defended him.
• The heroes adjusted the rankings of several absent members, and Gawain asked Child Emperor to add Watchdog Man, who was tentatively placed at S-Class Rank 14.

Two months after the Hero Association ranked its heroes, Mysterious Mask fought the Underwear Monster in B City while Gawain was diverted to a Dragon-level threat in E City. After his mask broke and the citizens mocked his face, Mysterious Mask fled, and the chapter ended with his death as a hero followed days later by Sweet Mask joining the Hero Association.

• Watchdog Man rested in S City, content to protect the city where his beloved human had lived.
• In B City, Unyielding King Kong, Yoyo Warrior, Roller Girl, and Mysterious Mask struggled against the Demon-level Underwear Monster as citizens insulted them.
• Mysterious Mask kept attacking despite his injuries, but the Hero Association announced that Gawain had to assist E City against a Dragon-level monster.
• The B City heroes rallied and briefly suppressed the Underwear Monster, but he broke Mysterious Mask's arm and leg.
• The Underwear Monster shattered Mysterious Mask's mask, and the citizens and monster recoiled from his face and mocked him.
• Mysterious Mask fled to keep himself from attacking the citizens; Gawain later killed the Underwear Monster, Mysterious Mask was recorded as a lost C-Class hero, and Sweet Mask joined the Hero Association days later.

Gawain left the One-Punch Man world, returned to Mary Geoise, and later appeared in Konoha after opening a new world. There, Hiruzen Sarutobi reflected on his long rule and the losses that had left him full of regret.

• Gawain departed the One-Punch Man world after five months, leaving Saitama to eventually awaken as the world's awaited hero.
• Back in Mary Geoise, Gawain's allies expanded the Dark Bird Alliance, took control of Gild Tesoro's wealth, and forced the Celestial Dragons to work as the new territories came under their rule.
• Gawain demonstrated his overwhelming strength to Garp, Ethanbaron V. Nusjuro, and Mihawk, then returned to the Golden Throne while his cadres trained in chakra and breathing techniques.
• Gawain opened a new world and appeared in Konoha, where Anbu noticed his sudden arrival and reported it to Hiruzen Sarutobi.
• Hiruzen dismissed the Anbu's report and brooded over his fifty years as Hokage, mourning his losses and regretting the life he had been forced to lead.