Chapter Summaries

Bai Ye brought Boros to Ueno High School, where the guards and students initially mistook the alien for a monster. After the principal confirmed their transfer, they reached Senior Class 1, and Bai Ye looked for Fubuki and Psykos but did not find them there.

• Bai Ye presented his and Boros's student IDs after the security guards stopped them at the school gates.
• The guards discovered that Boros's ID identified him as an alien and waited for the principal to verify their enrollment.
• The principal confirmed Bai Ye and Boros were transfer students, and the guards apologized before letting them enter.
• Bai Ye and Boros arrived at Senior Class 1, where the teacher asked them to introduce themselves.
• Bai Ye wrote his name on the blackboard, noticed Fubuki and Psykos were absent, and decided to look for them after class.

Bai Ye and Boros started school at Ueno High School, where Bai Ye searched for Psykos and found her in a regular class with Fubuki. At lunch, he unexpectedly sat across from Psykos, bringing him face-to-face with her younger self.

• Bai Ye and Boros introduced themselves to their class and chose seats in the back rows.
• Bai Ye asked about the Monster Research Society, learned it did not yet exist, and left to look for Psykos.
• Bai Ye found Psykos and Fubuki sitting together in Class 4 without interacting.
• Bai Ye and Boros visited the cafeteria at lunchtime, where Bai Ye found Psykos sitting across from him.

Bai Ye started a Monster Research Society to change the events he knew from Psykos's memories and invited Psykos to join after she left the Psychic Research Society. The chapter ended with Psykos excitedly grabbing his hands when she thought he agreed with her desire to wipe out humanity.

• Psykos asked Boros if he wanted to wipe out humanity, and he denied it.
• Bai Ye told Boros that an unknown entity had influenced Psykos and might be stronger than him.
• Bai Ye asked his class teacher how to start a club and chose the name Monster Research Society.
• Psykos submitted an application to leave the Psychic Research Society, and Bai Ye invited her to join his club.
• Bai Ye mentioned Psykos's wish to wipe out humanity, and Psykos seized his hands and asked if he agreed with her views.

Bai Ye recruited Psykos into the Monster Research Society and used Kotoamatsukami to try to remove God's influence, discovering that isolating her from the real world eased her pain. Meanwhile, Boros traveled through space to find his past self and arrived just as the earlier Boros learned there were two of him.

• Psykos accepted Bai Ye's invitation to join the Monster Research Society, which she founded with Bai Ye and Boros.
• Bai Ye cast Kotoamatsukami on Psykos to erase the future vision that connected her to God, but she suffered pain as a third party interfered.
• Bai Ye entered Ten-Tails Jinchuriki mode and took Psykos into the Origin Ball Space, where her pain eased and her breathing steadied.
• Boros piloted his Spaceship to the galaxy where he had been five years earlier and detected the identical ship carrying his past self.
• Geryuganshoop spotted Boros on the surveillance feed and asked how there could be two identical Lord Boroses.

Boros traveled five years into the past to merge his power with his past self’s, planning to return to Earth and face its stronger beings. Bai Ye successfully rewrote Psykos’s consciousness, freeing her from God’s influence, and brought her back to the Monster Research Society.

• Boros met his past self and explained that he had found Earth and lost to the opponent foretold in the prophecy.
• Boros asked his past self to give him his power so he could return to the future and continue fighting.
• Boros’s past self agreed to transfer all his power rather than wait five years to reach Earth.
• Psykos woke in Origin Ball Space, recalled her past desire to destroy humanity, and realized that mastering [Third Eye] might have let something invade her mind.
• Bai Ye confirmed that Psykos’s consciousness had been rewritten, then returned with her to the Monster Research Society’s clubroom.
• Psykos blushed after Bai Ye asked what she had meant by “not yet.”

Bai Ye waited for Boros to return, grew closer to Psykos, and prepared to leave the timeline after promising to meet her again in five years. Psykos kissed him as he departed, and he arrived in his original timeline to find another Psykos kissing him.

• Bai Ye asked Psykos about her ambitions, and she said she wanted to stand at the top of the world and still resented Fubuki for sealing her psychic powers.
• Psykos explained that her powers had recovered after she mastered the [Third Eye], and Bai Ye realized God had altered her vision of the future rather than given her the ability.
• Boros returned, and Bai Ye told Psykos he had to leave, promising they would meet again in about five years.
• Psykos accepted Bai Ye's departure and promised to wait for him, then kissed him as he activated the Time-Space Travel Device.
• Bai Ye and Boros arrived in the original timeline, where Psykos kissed Bai Ye again.

Bai Ye woke in Psykos’s hideout five years after changing the past and agreed to lead the Monster Association. He insisted they avoid provoking the Hero Association while building strength, then set out to purge monsters who would not follow his rules.

• Bai Ye woke in Psykos’s bed and learned that, in the present, his journey into the past had taken less than half a day.
• Psykos said she still aimed to reach the pinnacle of the world with Bai Ye and wanted him to lead the Monster Association against the Hero Association.
• Bai Ye agreed to lead but told Psykos they should not harm humans or antagonize the Hero Association while they built their strength.
• Bai Ye said the Monster Association needed to make its monsters obey rules against harming humans, then prepared to purge those who refused.

Bai Ye revealed himself as the Monster Association’s new Monster King and faced the monsters’ doubts about a human leading them. Boros crushed a protesting monster and intimidated the weaker members, while the Dragon-level executives remained wary of Bai Ye’s rule.

• Gyoro Gyoro announced that Kamui was a spy planted in the Hero Association, and Bai Ye appeared beside her.
• Homeless Emperor asked about the former Monster King, and Bai Ye explained that it had been his summoned beast and declared himself the new Monster King.
• A monster challenged Bai Ye’s right to rule, prompting several others to join the protest.
• Boros burst into the chamber, crushed the leading protester, and demonstrated his power by throwing the corpse through the rock.
• Gyoro Gyoro explained that Boros had joined the Monster Association as Bai Ye’s friend, while Black Sperm questioned the alliance with sarcasm.
• Bai Ye introduced himself and said he hoped the monsters could get along as he planned to bring the association under his control gradually.

Bai Ye, now the Monster King, continued working with the Hero Association while the monsters believed he and Boros were spies. Monster Princess Do-S approached Bai Ye and tried to gain his trust so she could enslave him, but her plan remained undiscovered as she gave him an awkward massage.

• Bai Ye kept handling Monster Association matters with Psykos while Boros held a position nearly equal to his, and both continued their usual activities with the Hero Association.
• Do-S visited Bai Ye's office and asked whether he had missions for her, but he told her to rest and build her strength.
• Do-S offered Bai Ye a massage, and he accepted so he could investigate her motives.
• Do-S imagined enslaving Bai Ye and taking control of the Monster Association, then began massaging his shoulders.
• Bai Ye bluntly criticized Do-S's massage, and she apologized while becoming more determined to control him.

Do-S tried to control Bai Ye with her thorn-covered whip, but he resisted and punished her before sending her away. Later, Bai Ye learned that a group called Takoyaki House had rejected the Monster Association’s invitation, and the name caught his attention because it was linked to Dr. Genus and the former House of Evolution.

• Do-S secretly whipped Bai Ye during a massage, but he caught the whip, took it from her, and struck her with it.
• Bai Ye dismissed Do-S from his office after warning her, while Do-S left vowing not to let him get away with it.
• Psykos asked Bai Ye about his clash with Do-S and urged him to spare her because her ability made her a valuable Monster Association asset.
• A monster reported that a group called Takoyaki House had refused to join the Monster Association after defeating a Tiger-level member with one move.
• Bai Ye recognized Takoyaki House as the shop Dr. Genus had opened with the surviving members of the House of Evolution.

Bai Ye visited Dr. Genus’s takoyaki shop and learned that a Monster Association member had tried to force Mosquito Girl and Armored Gorilla to join. After acknowledging his side’s fault, he met Dr. Genus and stayed to try the shop’s regenerating-octopus takoyaki.

• Dr. Genus had abandoned his research and opened a takoyaki shop, where Mosquito Girl worked with prosthetic limbs and Armored Gorilla.
• Bai Ye arrived with a Monster Association member, and Mosquito Girl recognized him and confronted the member over its attempt to recruit her by force.
• Bai Ye confirmed that his side had been at fault, dismissed the monster, and accepted Armored Gorilla’s invitation to come inside.
• Dr. Genus told Bai Ye he had given up illegal research, and Bai Ye encouraged him to pursue useful work such as rejuvenation technology.
• Dr. Genus prepared regenerating-octopus takoyaki for Bai Ye, while Mosquito Girl drank Bai Ye’s tea and sat between him and Dr. Genus.

Bai Ye visited Dr. Genus’s takoyaki shop and clarified that he had not come to pressure Dr. Genus into joining the Monster Association, though Dr. Genus agreed anyway. After Bai Ye left, Dr. Genus considered how Mosquito Girl and Armored Gorilla could serve the organization.

• Bai Ye told Dr. Genus that he had only come out of curiosity and said joining the Monster Association was entirely up to him.
• Dr. Genus agreed to join, and Bai Ye told him to keep running the takoyaki shop rather than take on any assignments.
• Mosquito Girl threatened children who mistook her for a fly, so Armored Gorilla asked Bai Ye to give her a blood infusion.
• Bai Ye injected Mosquito Girl with blood, calming her down, and she complained about the painful needle.
• After Bai Ye left, Dr. Genus asked Mosquito Girl how much strength she had recovered and suggested she become Bai Ye’s secretary.

Dr. Genus brought Mosquito Girl and Armored Gorilla to the Monster Association, presenting Mosquito Girl as Bai Ye’s new secretary and maid. Bai Ye welcomed them into his headquarters, where Mosquito Girl began eating the refreshments as Dr. Genus explained the offer.

• Dr. Genus told Mosquito Girl that she would serve as Bai Ye’s secretary, and she agreed despite having no experience.
• Dr. Genus replaced Mosquito Girl’s apron with a maid outfit, which she found uncomfortable and questioned.
• Dr. Genus called Bai Ye to ask for the Monster Association’s location and brought Mosquito Girl and Armored Gorilla to Z City’s No Man’s Land.
• Bai Ye met the three visitors and escorted them to his office in the Monster Association’s headquarters.
• Dr. Genus presented Mosquito Girl as Bai Ye’s secretary and maid while she helped herself to the fruit on the table.

Bai Ye tried to correct Dr. Genus’s mistaken plan to make Mosquito Girl his secretary and maid, but she took the job seriously and began doing chores. The chapter ended when Do-S arrived at Bai Ye’s office and found Mosquito Girl there.

• Bai Ye told Dr. Genus he had never asked for a secretary or maid, but Dr. Genus assumed he was testing him and left with Armored Gorilla.
• Bai Ye served Mosquito Girl tea and fruit, then tried to send her back to Dr. Genus.
• Mosquito Girl asked Bai Ye how to act as a maid, called him Master, and attempted to perform what she thought were naughty duties.
• Bai Ye stopped Mosquito Girl and told her to clean up the fruit and wash the cups, which she did efficiently.
• Do-S knocked at the office door, and Mosquito Girl answered it; Do-S found her unfamiliar and wondered where she had come from.

Do-S pretended to apologize to Bai Ye, then forced a kiss on him in an attempt to control him with her ability. Her attempt failed, and Bai Ye confronted her, leaving Do-S fearing another humiliating punishment.

• Do-S told Bai Ye she had repented and claimed she had fallen for him, but he remained unconvinced and told her to leave.
• Do-S suddenly lunged at Bai Ye and forced a kiss on him, using her bodily fluids to try to make him her slave.
• Do-S realized her ability had no effect on Bai Ye and began to doubt her power.
• Bai Ye took Do-S by the chin, pushed her away, and asked whether she had thought she could control him.
• Do-S understood that Bai Ye had seen through her scheme and feared he would punish her again.

Bai Ye ignored Do-S's attempts to provoke him, then stopped Gyoro Gyoro from escalating a jealous confrontation with Mosquito Girl. He agreed to train promising Hero Association recruits for seven days, and Tatsumaki perked up when she learned he had accepted.

• Bai Ye ignored Do-S after their kiss, leaving her dissatisfied.
• Gyoro Gyoro lifted Mosquito Girl away from Bai Ye, but Bai Ye caught her and Mosquito Girl kissed him for points.
• Gyoro Gyoro lost control of her psychokinesis in jealousy, then calmed down when Bai Ye warned her.
• Gyoro Gyoro allowed Mosquito Girl to serve Bai Ye, and Mosquito Girl agreed to behave.
• Sitch asked Bai Ye to train promising recruits for seven days, and Bai Ye accepted.
• Sitch told Tatsumaki that Bai Ye had accepted the training invitation, and Tatsumaki sat up in interest.

Tatsumaki accepted the Hero Association’s invitation to teach alongside Bai Ye in its first intensive training course. On the first day, Bai Ye met the twelve trainees, including promising athlete Mizuki Choujou, and Tatsumaki arrived just before training began.

• Tatsumaki changed her mind and accepted the Hero Association’s invitation to teach.
• The executives confirmed that Bai Ye and Tatsumaki would instruct twelve promising newcomers, and Sitch sent the trainee roster to them.
• Bai Ye reviewed the roster and noted that the Association had especially high hopes for B-Class Rank 71 Mizuki Choujou.
• Bai Ye arrived early at the training facility, met Mizuki and the other trainees, and took attendance.
• Tatsumaki arrived one minute before training began, surprising Bai Ye and insisting that she had not accepted because he was teaching.

Bai Ye and Tatsumaki began training the new heroes together, starting with physical conditioning before introducing actual combat. Captain Mizuki stood out during the first day, while Tatsumaki objected to how casually she addressed Bai Ye.

• Bai Ye learned that the training plan had changed to ten days with two instructors and agreed with Tatsumaki to use high-intensity combat training.
• Bai Ye started the trainees with a ten-kilometer warm-up, while Tatsumaki watched from above for anyone slacking off or taking shortcuts.
• Captain Mizuki finished first, and Bai Ye praised her fitness and let her call him Senior Bai Ye.
• Bai Ye assessed the trainees during a full day of physical conditioning so he could choose suitable opponents for their future combat training.
• Tatsumaki scolded Captain Mizuki for repeatedly addressing Bai Ye too familiarly.

Mizuki Choujou suggested that Tatsumaki might have a crush on Bai Ye after seeing her react jealously to their closeness. After training, Bai Ye tested the idea by saying he liked a girl like Tatsumaki, leaving her flustered and suspicious that he had been teasing her.

• Mizuki Choujou explained that Bai Ye had allowed her to call him Senior Bai Ye, but Tatsumaki remained displeased by the familiar address.
• Mizuki Choujou whispered that Tatsumaki seemed jealous and might have feelings for Bai Ye, prompting him to reconsider how she felt about him.
• Tatsumaki interrupted Bai Ye and Mizuki Choujou, then pressed Bai Ye to reveal what type of girl he liked.
• After training ended, Bai Ye told Tatsumaki he liked a girl like her, and she blushed and called his answer practically a confession.
• Tatsumaki realized Bai Ye might have been testing her reaction and angrily asked whether he had been teasing her.

Bai Ye admitted his feelings to Tatsumaki, and she accepted his confession while insisting he become her boyfriend. Tatsumaki moved into Bai Ye’s home, where Saitama misunderstood their relationship and teased her about her age and height, leaving her seated on Bai Ye’s lap through dinner.

• Bai Ye admitted that he had feelings for Tatsumaki, and Tatsumaki said she would reluctantly give him a chance.
• Tatsumaki insisted that they move in together, and Bai Ye teleported with her to collect her belongings from her hotel suite.
• Bai Ye brought Tatsumaki and her luggage to his home, where she used psychokinesis to unpack while he went to cook dinner.
• Saitama mistook Tatsumaki for a child and joked about her height, prompting her to sit on Bai Ye’s lap and draw over her dinnerware with psychokinesis.