Chapter Summaries

Oboro gathered the former Hell Pirates officers and survivors, now rulers and warlords in the apocalyptic Underworld Country, and told them he would soon leave the New World in their hands. The gathering ended with the revelation that he had summoned them to say farewell.

• Ten years after the old regime fell, Oboro watched a black, destructive Will Tree sapling grow and reflected on how the New World had become an apocalypse ruled by competing powers.
• Crocodile and dozens of former Hell Pirates officers and Final Battle survivors gathered in Oboro’s hall, where Dom announced that everyone had arrived.
• A man accused Enel of seizing his nation, but Shiryu killed him before he could finish, and Enel suggested killing everyone who complained.
• Crocodile urged the gathering to hear Oboro’s announcement, but Oboro said they could fight if they wished and that he would soon leave the New World to them.
• Oboro told the gathered officers that he had summoned them to bid farewell and said his experiences with them had been pleasant.

Oboro said farewell to the Hell Pirates and left through a rift in space and time, leaving them to shape the New World and pass on the powers he had taught them. Bullet flew into a rage after Oboro vanished and threatened to destroy everything connected to him, setting the Hell Pirates on the brink of a bloody clash.

• Bullet demanded to accompany Oboro, but Oboro refused, calling him too weak to follow.
• Oboro warned the others about Bullet, advised Dom to settle down, and gave his companions final guidance for life after his departure.
• Oboro urged the Hell Pirates to preserve the powers and combat knowledge he had passed down, then opened a rift and disappeared.
• The group regained control of themselves after Oboro left, while Dom stood stunned and tearful.
• Bullet erupted in fury and threatened to kill everyone and destroy all traces of Oboro, as Shiryu, Enel, and the others prepared to fight.

Oboro forced his way through the temporal torrent and entered the Hunter x Hunter world, gaining a trace of insight into time-space power. After encountering the world’s immense Will Tree, he crashed onto a city street, alarming the crowd.

• Oboro tried to carry his physical body through the temporal torrent, but the force rapidly destroyed it as he searched for Earth.
• Oboro spotted a familiar world source, recognized it as Hunter x Hunter, and rushed toward it despite his body collapsing.
• Oboro touched the world source, tore through its barrier, and entered the new world, where his body regenerated as he fell from the sky.
• Oboro encountered Hunter x Hunter’s vast, non-hostile Will Tree in his sea of consciousness and severed their connection.
• Oboro crashed onto a city street, startling the people nearby, who screamed and wondered what had fallen from the sky.

Oboro arrived in the One-Punch Man world and decided it was a familiar, relatively safe place where he could relax. His plans to explore were interrupted when police arrested him for appearing half-naked in public.

• Oboro studied a nearby pedestrian’s memories and learned that he had arrived in the One-Punch Man world.
• Oboro considered Saitama’s immense power and decided he did not need to oppose him or disrupt the world’s order.
• Oboro resolved to treat the world as a vacation spot where he could relax and gather resources safely.
• Police officers handcuffed Oboro and took him in for questioning while bystanders filmed him.

After escaping the police station, Oboro explored Q City and watched Watchdog Man kill an ice cream monster who had kidnapped children. Oboro disappeared into the crowd after observing the hero’s abilities, while Watchdog Man returned to guarding Watchdog Plaza.

• Oboro used his ability to control two police officers into releasing him and providing identification and a wallet.
• Oboro strolled through Q City, planning to find Saitama and follow him to gather resources.
• An ice cream monster emerged from a truck with kidnapped children in a sack and charged through the street.
• Watchdog Man leaped past Oboro, knocked aside the monster’s ice cream projectiles, and killed it.
• Watchdog Man looked for Oboro but lost him in the crowd, while Oboro praised the hero’s instincts and fighting style before leaving.

Oboro reached Z-City, found an empty apartment near Saitama’s home, and settled in after cleaning it. When Saitama returned, Oboro was stunned by the immense strength of his soul, while Saitama feared Oboro had come to confront him over the apartment.

• Oboro traveled to Z-City and learned how the Hero Association and hero culture shaped daily life.
• Oboro entered the abandoned district and sensed the Monster Association’s extensive underground headquarters, but did not detect Saitama.
• Oboro found an empty apartment near Saitama’s home, moved in, and cleaned it.
• Saitama returned carrying a plastic bag and noticed Oboro on the balcony.
• Saitama feared Oboro was the apartment’s owner, while Oboro was shocked by the power of Saitama’s soul.

Oboro moved into the room beside Saitama’s and introduced himself as his new neighbor. As Saitama lay awake unsettled by the disruption, Oboro studied the unusual bond between Saitama’s body and soul and considered seeking power from God to advance his cultivation.

• Oboro met Saitama in the corridor and explained that he had moved into the vacant room next door.
• Saitama warned Oboro that the area was dangerous, but accepted his choice after Oboro described his bleak circumstances.
• Saitama introduced himself, returned to his room, and later could not sleep because of his new neighbor.
• Oboro meditated while suppressing his aura, then reflected on how Saitama’s soul was inseparable from his powerful body.
• Oboro considered the limiter and God as possible sources of power for advancing his cultivation, but decided not to rush into investigating them.

Oboro secretly followed Saitama to observe his life and learn about his limiter, while Saitama went about his usual routine of traveling and working part-time. Oboro saw how ordinary and difficult Saitama’s day was, though Saitama’s awareness of being watched kept unsettling him.

• Saitama woke to find Oboro had bought expensive furniture and appliances, then questioned whether his neighbor was really broke.
• Saitama and Oboro left their apartments together, and Oboro took a different route to avoid staying close to him.
• Saitama sprinted across the supercontinent to reach his part-time job while Oboro followed unseen from the sky.
• Saitama repeatedly sensed someone watching him and searched the sky, but failed to spot Oboro hiding in the clouds.
• In T-City, Saitama handed out balloons and cards until his boss paid him poorly and scolded him.
• Oboro watched Saitama leave and reflected that his life was remarkably ordinary.

Saitama raced across the continent to shake off the presence watching him, while Oboro stopped to study a monster and considered why its powers were unsuitable for Hunter x Hunter. Saitama returned home, ate cup noodles, and tried to dismiss the surveillance as a misunderstanding before settling in for a restful night.

• Saitama ran through several cities and difficult terrain to lose whoever was monitoring him, then returned to Z-City after the feeling of being watched vanished.
• Saitama realized he had forgotten to buy dinner, blamed the unseen watcher, and remembered he had cup noodles at home.
• Oboro stopped following Saitama near Z-City and examined the remains of a trash can monster that Saitama had killed.
• Oboro decided monsterization was unsuitable for Hunter x Hunter because its power could not be separated from its harmful effects, and reflected on his goal of helping Lake Island's people prepare for the Dark Continent.
• Saitama saw a light and heard a television in Oboro's apartment, then went home, ate noodles, and soaked in his bathtub.
• Saitama wondered whether the feeling of being watched had been his imagination and decided that he needed a good night's rest.

Saitama became convinced that an unseen ghost was watching him, while Oboro's week of spying revealed nothing useful about Saitama's limiter. On the final night, Saitama visited Oboro with a Chinese cabbage and asked why someone wealthy lived in the abandoned district.

• Saitama felt an unseen presence watching him and feared that a ghost had followed him home, but he reassured himself that it was too afraid to appear.
• Oboro watched Saitama for a week, found no clues about the limiter, and gave up on using Saitama or monsters to advance his method.
• Oboro realized that his repeated spying had caused Saitama growing psychological distress, and decided to stop watching him the next day.
• After midnight, Saitama knocked on Oboro's door and brought him a Chinese cabbage as a housewarming gift.
• Saitama saw Oboro's expensive furnishings, concluded that he was wealthy, and asked why he lived in the abandoned district.

Oboro helped Saitama deal with the feeling that something was watching him, then spent the night crushing him in fighting games. After Saitama realized Oboro was no ordinary person, the two ended the chapter preparing for a rematch.

• Oboro told Saitama he was hiding from powerful enemies, and Saitama offered to help him.
• Saitama asked Oboro to find someone to exorcise the strange presence he felt watching him; Oboro agreed in exchange for a favor.
• Oboro and Saitama played over two hundred fighting-game rounds, and Oboro won every match.
• Frustrated, Saitama left to hunt monsters, then returned later feeling normal after Oboro had arranged for an exorcist to perform rites.
• Saitama asked whether Oboro was an ordinary person, and Oboro admitted he was not.
• Oboro provoked Saitama into challenging him to another round of games.

Oboro and Saitama discussed the growing number and strength of monsters before Saitama went to investigate an attack in K City. Later, Oboro arrived in City A to witness Vaccine Man devastating the city and reflected that Saitama could not protect everyone.

• Saitama vowed to get stronger after Oboro thoroughly defeated him, then returned to his ordinary routine.
• Over dinner, Saitama told Oboro that monsters had become more frequent and violent over the years, while Oboro concealed his knowledge and abilities.
• When a report showed heroes fighting a monster in K City, Saitama left, and Oboro learned the attacker was part of a tribe.
• Some time later, Oboro rushed to City A after a report and saw energy attacks reduce much of the city to ruins.
• Oboro identified the purple-skinned attacker as Vaccine Man and realized Saitama's protection was not absolute.

Oboro watched Saitama defeat Vaccine Man and considered how he could build a Hero Association-like system in Hunter x Hunter, with himself serving as humanity’s ultimate safeguard. At the Hero Association, Sekingar learned that King had been identified as the hero who killed Vaccine Man, while a witness reported a mysterious figure in the sky.

• Oboro watched Vaccine Man attack City A, and Saitama arrived to save a little girl and kill the monster with one punch.
• Oboro considered reorganizing V5 into a Hero Association and strengthening humanity’s Nen users, but worried he might not be able to become as invincible as Saitama.
• Oboro decided that he needed to connect with Hunter x Hunter’s Will Tree and bind himself to that world before attempting to become its Saitama.
• Oboro retreated as Hero Association personnel arrived, reflecting that the story’s events would unfold over only a few months and that he mainly wanted to learn about Saitama and God.
• Sekingar reviewed evidence at Hero Association headquarters and concluded that King had killed Vaccine Man.
• A staff member told Sekingar that B-Class hero Big Owl had seen a mysterious figure in the sky, and the Association’s system had found no record of the person.

After Vaccine Man’s attack, Oboro observed how quickly City A recovered and spoke with Saitama about ordinary interests and Saitama’s fading enjoyment of life. When a giant monster attacked City B, Oboro considered the scientific drug behind its transformation and the possibility of bringing Saitama to his own world, then sensed strangers arriving at his apartment.

• Oboro watched the orderly cleanup of City A and noted that its residents seemed accustomed to disasters.
• Saitama visited Oboro, and they discussed supermarket sales and manga while Saitama said he had once dreamed of becoming a hero.
• A few days later, Oboro watched Fukegao and Marugori’s giant rampage in City B and considered whether Biceps King could be useful.
• Oboro decided not to seek out Fukegao, since the drug might not be reproducible with Hunter x Hunter’s technology.
• Oboro wondered whether Saitama could travel to Hunter x Hunter, but concluded that connecting the two worlds was beyond his current ability.
• Oboro sensed several strangers at his apartment building, and someone knocked on his door.

Oboro rejected an invitation from Neo Heroes, whose recruiters had tracked down his identity and sought to enlist him as a powerful hero. Zhu Li threatened him over the possibility of joining the Hero Association, but Oboro remained indifferent and the recruiters left without him.

• Oboro opened his door to Zhu Li and the Neo Heroes recruiters, then shut it after they introduced themselves.
• Oboro recognized Neo Heroes and realized the Hero Association had likely shared information about him with the rival organization.
• Oboro refused Zhu Li’s offer of money and benefits, while Noah accused him of trying to raise his price.
• Zhu Li warned Oboro that joining the Hero Association would bring consequences, then tried once more to persuade him with an offer of a fortune.
• Oboro told the recruiters to leave, and they departed with dark expressions after he gave them no further answer.

After Oboro rejected the Neo Heroes’ recruitment offer, Sekingar investigated the mysterious man and concluded that he might be an exceptionally powerful hero. He summoned Tatsumaki and Flashy Flash to discuss him.

• Saitama returned after defeating the Giant Brothers, and told Oboro that he had encountered strangers who might have been looking for him.
• Neo Heroes’ leaders grew frustrated with Oboro’s rejection, while the Hero Association’s Sekingar began investigating him.
• Sekingar reviewed footage of Oboro surviving a fall, wandering through a police station whose staff later forgot him, and shopping around the city.
• Sekingar’s subordinate reported that Watchdog Man believed Oboro was very strong and that Oboro appeared to live alone in Z-City.
• Sekingar asked which S-Class heroes were at headquarters and ordered Tatsumaki and Flashy Flash to meet with him.

Sekingar persuaded Flashy Flash to meet Oboro and assess whether he deserved S-Class status. Meanwhile, Saitama fought off two armed attackers, who were suddenly teleported away by a mysterious figure he recognized as the peeping Tom.

• Tatsumaki rejected Sekingar's request to invite Oboro, and Flashy Flash warned that the other S-Class heroes would not recognize him.
• Sekingar convinced Flashy Flash to act as an examiner, and Flashy Flash agreed while warning he might kill Oboro if he caused trouble.
• Two days later, Oboro woke to Saitama fighting Subterraneans outside their apartment.
• A fat man and his companion fired a missile at Saitama, but he crushed it barehanded and pursued them after it destroyed his pajamas.
• A spatial rift pulled the attackers away before Saitama could catch them, and he recognized the figure inside as the peeping Tom who had watched him before.

Oboro learned that the Neo Heroes had put a bounty on him and went to confront them at their headquarters, while Saitama encountered Flashy Flash, who was searching for Oboro. The chapter left Saitama and Flashy Flash facing off as Oboro entered the Neo Heroes building and was detected by its security systems.

• Oboro read the memories of two Neo Heroes agents, erased their memories of the encounter, and sent them away through a spatial rift.
• Saitama returned to the apartment, then met Flashy Flash outside as he searched for Oboro; Saitama refused to reveal Oboro’s location.
• Flashy Flash attacked Saitama, but Saitama easily blocked him and proved faster, and the two prepared to fight.
• Oboro used a spatial jump to arrive at the Neo Heroes headquarters in City A and walked inside.
• The Neo Heroes’ surveillance systems detected Oboro’s energy and image, and staff reported his arrival.

Oboro infiltrated the Neo Organization's headquarters after its leaders mistook his arrival for a willingness to join. They trapped him in a special cage and threatened him, but he remained untroubled and challenged them to activate their weapon.

• The Neo Organization's leaders watched Oboro arrive and saw footage of him stepping out of space, prompting Zhu Li to recognize his ability as similar to Blast's.
• Oboro gained access to the building with the help of an executive and passed through its security, so the leaders ordered a lockdown and called the heroes to combat readiness.
• Oboro teleported to the confidential top floor and entered a hall, where the Neo Organization's leaders trapped him in a specially designed iron cage.
• Zhu Li warned Oboro that the cage could fire electromagnetic waves and lasers, while the leader demanded that he join the Neo Organization and referred to its earlier attack on him.
• Oboro mocked the cage as a toy and urged the assembled leaders to activate it.

Oboro survived neo’s technological attack and overwhelmed its leaders and heroes with his killing intent and mental control. He made Zhu Li the Association’s new leader and ordered him to gather advanced technology, then left him physically aged as a warning.

• Commander Pap activated a device that melted the iron cage around Oboro, but Oboro reappeared unharmed and applauded neo’s technology.
• Commander Pap ordered the heroes to kill Oboro, but his killing intent froze them with terror and incapacitated most of the executives.
• Zhu Li realized Oboro might be a God-level threat, and Oboro mentally controlled Commander Pap and the other executives.
• Oboro appointed Zhu Li as neo’s highest leader and ordered him to collect advanced technological devices within three months.
• Oboro told Zhu Li that only he would remember what happened, then unleashed his killing intent and aged him into a frail, white-haired man.