Chapter Summaries

Genos connected Oboro to the mysterious suited man and accused him of spying on Saitama and killing Asura Kabuto. Oboro kept denying it, and Saitama asked him to put on the suit so he could compare him to the figure he had seen.

• Genos reasoned that Oboro was the likely culprit, and he and Saitama decided to confront him when he returned.
• Oboro sensed that his identity might have been exposed and realized Genos had probably found the black suit he left in his wardrobe.
• Saitama and Genos waited for Oboro, then confronted him when he came home and pointed to the suit as evidence.
• Genos accused Oboro of being the suited man, killing Asura Kabuto, and monitoring Saitama, citing the timing, Oboro's strength, and a shopping receipt for the new suit.
• Oboro continued to deny the accusations, while Saitama asked him to put on the suit so he could inspect him.

Saitama recognized Oboro as the mysterious man in the black suit and challenged him to fight, while Oboro agreed despite concealing his identity. The chapter left them ready to battle outside the apartment, with Genos convinced Saitama would win.

• Saitama recognized Oboro in the black suit and accused him of being the mysterious man who had appeared through the spacetime rift.
• Oboro denied the accusation, but Saitama challenged him to a fight over how he had made Saitama suffer in the past.
• Genos realized Saitama was eager to fight Oboro and wondered whether Oboro could rival his teacher, though he concluded Saitama would win.
• After Saitama and Genos left to change, Oboro admitted he had wanted to fight Saitama and planned to help him recover some of his lost humanity.
• Saitama and Genos returned in battle gear and found Oboro waiting in a black suit near the apartment stairs.

Oboro took Saitama to a remote wasteland for their fight, then separated them from the main world and drew him into a domain of souls. After Saitama instinctively punched apart Oboro’s body and Oboro revived, he declared that he was a god in this world.

• Tatsumaki found Oboro and Saitama’s apartment empty, entered Oboro’s room, and decided to wait for him.
• Oboro, Saitama, and Genos traveled to a desolate Gobi wasteland so Oboro and Saitama could fight.
• Oboro used Space Separation to move himself and Saitama into a parallel space at the edge of the One-Punch Man multiverse.
• Oboro transformed the space into a gray, ghostly realm and Saitama instinctively lunged at him, blasting apart his body.
• Oboro revived from the attack and told Saitama that the realm was a world of souls where he was a god.

Oboro drew Saitama’s soul into a spiritual realm and fought him, discovering that Saitama’s strength could overwhelm even his preparations. Oboro regenerated through the realm’s soul power, and the two renewed their battle with Oboro fighting for Hunter x Hunter.

• Genos sensed something was wrong but could not reach the motionless Oboro and Saitama because the space between them kept retreating.
• Oboro and Saitama fought in the spiritual realm, where Saitama’s attacks scattered the souls Oboro had been controlling.
• Thresh used a chain to restrain Saitama, but Saitama broke free, destroyed Thresh with a Serious Punch, and attacked Oboro with a powerful blow.
• Saitama’s attack erased Oboro’s form, but Oboro reformed from the realm’s soul power and explained that Saitama could not diminish its total strength.
• Oboro declared that he would never lose and would not let Hunter x Hunter lose, then charged at Saitama as their battle continued.

Oboro ended his soul-domain battle with Saitama in a draw, then reflected on how Saitama’s power had strengthened his soul and how their abilities depended on their worlds’ rules. Saitama left convinced he could win next time, while Oboro weighed the benefits of sparring again against the risk of being killed.

• Inside Oboro’s soul domain, Saitama’s attacks grew so powerful that they distorted the space and threatened to affect the outside world, while Oboro’s soul was tempered by enduring them.
• Oboro ended the fight and returned Saitama and himself to the wasteland, where Genos learned that Saitama had not beaten him.
• Oboro left before Saitama could continue arguing, and Saitama admitted to Genos that Oboro was probably the strongest opponent he had faced but insisted he would win next time.
• Saitama and Genos headed to the supermarket for dinner ingredients as they discussed the fight and Saitama’s excitement at facing real pressure again.
• At a roadside restaurant, Oboro reviewed the battle, concluded that Saitama’s world and its Will Tree supported his exceptional power, and considered how he might fare in Hunter x Hunter.
• Oboro decided that sparring with Saitama could strengthen his soul and teach him about power, but he feared that another fight might become dangerous enough to kill him.

Tatsumaki confronted Saitama and Genos at Oboro’s apartment while searching for Oboro, but Oboro returned and stopped her. He brought her into his room after disabling her psychic powers and asked why she had come.

• Tatsumaki waited for Oboro, then confronted Saitama and Genos when they arrived at his apartment with groceries.
• Saitama recognized Tatsumaki and mocked her, prompting her to hurl him out of the building with psychic power.
• Tatsumaki questioned Genos about Oboro and prepared to fight him for not pressuring Oboro to accept Association missions.
• Oboro emerged from a spatial rift behind Tatsumaki and placed his hand on her head, causing her psychic powers to vanish.
• Oboro dragged the stunned Tatsumaki into his room, released her, and asked what she had come to see him for.

Oboro stopped Tatsumaki from using her psychic powers and punished her after she insulted and challenged him. Tatsumaki left crying and vowing revenge, while Saitama and Genos waited outside, uneasy about what was happening.

• Tatsumaki failed to use her psychic powers against Oboro, then angrily demanded to know what he had done to her.
• Oboro warned Tatsumaki to show respect and moved toward her, while Saitama and Genos discussed whether she might anger him.
• Oboro repeatedly smacked Tatsumaki as punishment, and Saitama and Genos heard her cries from next door.
• Saitama and Genos knocked and invited Oboro to eat, but he refused and shut the door on them.
• Tatsumaki left with red, swollen eyes and threatened Oboro, while Genos noted that she seemed to hold a grudge against him and Saitama.

Genos, Saitama, and Oboro attended an S-Class hero meeting at the Hero Association, where Oboro planned to hear about Shibabawa's prophecy and Boros's approaching spaceship. There, Atomic Samurai openly challenged Oboro's standing, but Oboro ignored his offered handshake and headed for the meeting.

• Genos received notice of an S-Class hero meeting, and Saitama and Oboro accompanied him to the Association headquarters.
• Saitama teased Oboro about his popularity and B-Class ranking, while Oboro refused Saitama's request for another sparring match.
• At the headquarters, the three encountered Silver Fang, Atomic Samurai, and Tatsumaki before the meeting began.
• Silver Fang introduced Saitama to Atomic Samurai, who showed disdain toward the B-Class hero and prepared to confront Oboro.
• Atomic Samurai offered Oboro his hand to make clear he did not accept him as an S-Class hero, but Oboro walked past him and called Saitama toward the meeting.

Oboro attended the S-Class meeting and demonstrated overwhelming strength when Atomic Samurai tested him. As the heroes discussed Shibabawa’s prophecy of Earth’s destruction, Boros’s enormous spaceship arrived over City A.

• Tatsumaki led Oboro, Saitama, and his disciple toward the conference room while making clear she still resented Oboro.
• Atomic Samurai attacked Oboro from behind, but Oboro caught his sword between two fingers and let him withdraw it.
• Bang recognized that Oboro’s strength and martial arts mastery surpassed his own, while Atomic Samurai silently reflected on the encounter.
• Sekingar told the assembled S-Class heroes that Shibabawa had prophesied Earth would soon be destroyed, and Child Emperor raised important questions about the threat.
• A gigantic spaceship descended over City A, casting a vast shadow across the city.

Oboro took Saitama through a spatial barrier to confront Boros aboard the alien warship, leaving Genos behind to help defend the city. Oboro handed Boros over to Saitama, and the two heroes introduced themselves as Boros prepared to fight.

• A blast damaged the Hero Association building, and Child Emperor coordinated the deployment of heroes while Saitama urged Oboro to join the response.
• Oboro took Saitama directly to the alien warship and told Genos to stay behind and help the others.
• Boros encountered Oboro and Saitama in the ship’s grand hall and recognized them as potential opponents.
• Oboro assessed Boros and left the fight to Saitama, suggesting he could earn a higher hero ranking by defeating him.
• Boros introduced himself as the Dominator of the Universe and asked for their names, and Saitama introduced himself and Oboro.

Boros revealed that a prophecy had brought him to Earth to find a worthy opponent, and he fought Saitama while Oboro watched from behind a spatial barrier. After Boros struck at Oboro and failed to break through, he pursued Saitama, and their escalating battle wrecked the spaceship before Boros blasted Saitama out through its hull.

• Boros told Saitama and Oboro that he had traveled to Earth after receiving a prophecy about finding a powerful opponent.
• Saitama punched Boros into a pillar, but Boros broke his golden armor and released his full power.
• Boros punched Saitama while he was distracted, then attacked Oboro, whose spatial barrier stopped the blow.
• Oboro told Boros to fight Saitama first, and Boros raced after him as their battle spread through the spaceship.
• Boros unleashed a powerful energy surge that blasted Saitama out of the ship and tore a hole through its hull.

Oboro watched Boros battle Saitama, then shielded himself from the force of Saitama’s Serious Punch as it defeated Boros and wrecked the spaceship. Afterward, Oboro confronted Saitama for deliberately putting him in danger, and their quarrel ended with Saitama calling him petty.

• Boros used Meteoric Burst to launch Saitama into space, while Oboro praised Boros and discussed their views on Earth’s destruction.
• Boros recognized Oboro’s hunter-like demeanor and challenged him, but his attack failed against Oboro’s spatial barrier.
• Saitama returned from the moon, defeated Boros with Consecutive Normal Punches and a Serious Punch, and sent him crashing beside Oboro.
• Oboro reinforced his spatial barrier to withstand the force of Saitama’s punch as the spaceship crashed to the ground.
• Oboro accused Saitama of deliberately targeting him, and Saitama apologized before calling him petty.

After Saitama defeated Boros, Oboro collected Boros’s card and wiped out the remaining aliens aboard the crashed ship. Oboro then killed Melzargard and left, while the Hero Association’s executives saw footage of his power and Sekingar defended his place among the S-Class heroes.

• Boros admitted that Saitama and Oboro were far beyond him, and Oboro collected Boros’s card as Boros died.
• Oboro’s soul pressure killed every remaining alien aboard the spaceship, and Saitama realized that Oboro had caused it.
• Oboro appeared before Melzargard as the alien tried to escape and killed him instantly.
• Bang confirmed that Melzargard was dead, and Iaian wondered whether Oboro was the Heartless Hero.
• Sekingar showed the executives footage of Oboro defeating Melzargard and insisted that Oboro deserved to become the number one S-Class hero.

After the alien ship crashed, Saitama and Genos found Oboro claiming credit for defeating Boros and the other aliens. Oboro’s revenge left Saitama furious, and Genos warned him that attacking Oboro could cost him his hero status.

• Saitama escaped the crashed spaceship and met Genos, who praised him for defeating the alien leader.
• Saitama and Genos found Oboro telling the S-Class heroes that he had defeated the aliens, including Boros.
• Genos challenged Oboro’s claim, but Tatsumaki confirmed that the aliens’ deaths pointed to Oboro, while most heroes dismissed Genos’s defense of Saitama.
• Saitama chose to leave rather than argue, but Oboro taunted him about his low hero rank and lack of money, provoking him into shouting.
• Saitama considered attacking Oboro, and Genos warned him that the other heroes might intervene, he could lose his hero status, and Oboro might be difficult to kill.

Oboro left the Hero Association meeting and prepared to depart from the One-Punch Man world after securing Boros's resources. He reflected on Saitama's unshakable nature, treated Saitama and Genos to dinner, and planned to visit the Monster Association's lair before leaving.

• Oboro left the City A reconstruction meeting early, and Saitama and Genos followed him out.
• Oboro asked Saitama what he thought of the Hero Association and told him that it secretly sold monsters to wealthy people.
• Saitama said he had become a hero as a hobby and did not care about the Association's other affairs, then reminded Oboro that their earlier dispute was not over.
• Oboro offered to buy dinner for Saitama and Genos, and Saitama and Genos eagerly accepted.
• Oboro considered visiting the Monster Association's lair to meet God and reflected that his vacation in this world would soon end.

After treating Saitama and Genos to barbecue, Oboro returned home and found Blue waiting to ask him to become his master. Oboro refused, explaining that Blue wanted power to prove himself to Blast and that Oboro planned to leave this world.

• Oboro left Saitama and Genos when he sensed Speed-o'-Sound Sonic approaching, and Sonic confronted Saitama.
• Oboro found Blue waiting outside his apartment, and Blue asked him to take him as a disciple.
• Blue said he trusted Oboro for now and hoped he would eventually become his helper, but Oboro challenged his motives and refused to train him.
• Oboro explained that Blue sought power to prove himself to Blast and said he was too lazy to teach anyone.
• Oboro told Blue he was preparing to leave the world, leaving Blue stunned.

Oboro was made the Hero Association’s number one S-Class hero after the alien invasion, but the public backlash and the Association’s handling of the disaster left him unimpressed. He located the Monster Association’s underground headquarters and entered it, where Gyoro Gyoro recognized him.

• Blue left after Oboro refused to take him as a disciple, though Blue doubted Oboro would really leave the hero world.
• The Hero Association promoted Oboro from eighteenth to first in S-Class after most of the other S-Class heroes voted in his favor, and Saitama reluctantly congratulated him.
• The Association’s limited account of the alien invasion failed to win public support, and Oboro understood why heroes might later leave for NEO.
• Saitama wondered why Oboro had been treating him and Genos to lavish meals, while Genos speculated that Oboro might have committed crimes.
• Oboro used his knowledge of the Monster Association’s headquarters to find its location and opened a spatial passage into the underground base.
• Gyoro Gyoro sensed Oboro approaching, recognized him, and smiled as Monster King Orochi stood nearby.

Oboro entered the Monster Association’s underground base alone and calmly confronted its gathered monsters, including Monster King Orochi and Gyoro Gyoro. After revealing that he knew Gyoro Gyoro had created Orochi, he faced a monster demanding an explanation for his visit.

• Gyoro Gyoro and the other monsters discussed Oboro’s arrival and wondered whether he had discovered their headquarters.
• Gyoro Gyoro sensed Oboro moving through the lair at an impossible speed, appearing and vanishing between passages.
• Oboro strolled into the monsters’ gathering place and greeted them without showing fear.
• Oboro admired Orochi’s size, then asked Gyoro Gyoro how it had created him and said he knew who Gyoro Gyoro was.
• A monster dropped down before Oboro and gave him ten seconds to explain why he had come.

Oboro entered the Monster Association headquarters and captured Black Sperm and Monster King Orochi with his spatial power, causing the monsters to flee. He restrained Wandering Emperor and revealed that he intended to kill him unless he contacted God for help.

• Black Sperm threatened Oboro, but Monster King Orochi stopped him and Gyoro Gyoro asked whom Oboro had come to find.
• Oboro pointed out Wandering Emperor and refused Gyoro Gyoro's offer to join the monsters.
• Black Sperm attacked Oboro, who trapped it inside a shrinking spatial cube, then contained Monster King Orochi the same way.
• The monsters fled the headquarters, while Oboro restrained Wandering Emperor and brought him down from the cave.
• Oboro told Wandering Emperor to contact God for help or be crushed by the force holding him.

Oboro entered Wandering Emperor’s mindscape and confronted God, identifying it as a consciousness life-form connected to Earth through the Cubes. He revealed his own expertise in souls and transformed the mindscape, leaving God to realize it had encountered a being far more powerful than itself.

• God appeared in Wandering Emperor’s mindscape, condemned him as a failure, and prepared to reclaim its blessing.
• Wandering Emperor begged God for more power, insisting that Oboro was too strong for him to defeat.
• Oboro appeared beside Wandering Emperor and told God that it was a higher-dimensional consciousness life-form, not the will of Earth.
• Oboro explained that the Cubes acted as doors to God’s consciousness and that he could read God’s manifested body as data through soul perception.
• Oboro transformed Wandering Emperor’s mindscape through many landscapes until it settled on a frozen lake in a blizzard.
• God understood that Oboro was like itself, but on a higher and more terrifying level.