Chapter Summaries

Shokuhou Misaki revived Tōri, whose health returned to normal and whose ability showed signs of evolving, then took her outside with Chu Chen. Chu Chen explained that he had come from the future, while Alester noticed a change in the timeline.

• Shokuhou Misaki embraced Tōri after reviving her and ordered researchers to examine her; they found that she had recovered and might become Level 5.
• Tōri thanked Chu Chen for saving her, and he said she was Mikoto's younger sister, prompting Shokuhou Misaki and Tōri to tease him about his relationship with Misaka Mikoto.
• Chu Chen privately told Shokuhou Misaki that she was in the past timeline, and she took Tōri outside for a walk.
• Alester sensed that the timeline had changed and wondered whether Chu Chen possessed the mystery of time.
• At a restaurant, Chu Chen told Shokuhou Misaki that he had come from the future and revived Tōri while visiting her in the past.
• Shokuhou Misaki realized Chu Chen's actions had changed her future without significantly affecting Misaka Mikoto's future.

Shokuhou Misaki used her Physical Training System to escape Deadlock’s pursuit and reached the research institute, where Chu Chen caught her and photographed her exhausted state. In Chu Chen’s own timeline, he met Uiharu Kazari and Saten Ruiko, who asked Mikoto why Little Misaka and Index were absent.

• Shokuhou Misaki received a training plan requiring her to flee Deadlock using only her physical strength, while Chu Chen explained that the group blamed Level 5s for their stalled ability development.
• Shokuhou Misaki kept running despite Deadlock closing in and reached the research institute before the deadline, completing the plan and raising her physical fitness and Mental Out by one level each.
• Tōri rushed to the entrance as Shokuhou Misaki arrived, but Chu Chen caught her when she collapsed and took several photos while Tōri watched.
• Chu Chen met Uiharu Kazari and Saten Ruiko after sending Tōri into his world and arranging for Shokuhou Misaki to transfer her consciousness to a future timeline.
• Saten Ruiko asked Mikoto why Little Misaka and Index were not with her that day.

Misaka Mikoto and Shokuhou Misaki clashed after Shokuhou joined the System Network and received a physical-training system, while Housenki Kaguya revealed a game system that made the Scarlet Devil Mansion a novice dungeon. Remilia Scarlet vowed to turn Kaguya’s dungeon run into a fight, as Chu Chen showed Mikoto and Kuroko the luxurious villa Alester had prepared for him.

• Misaka Mikoto explained that she had left Last Order and Index in a friend’s care, then reacted in shock when Shokuhou Misaki introduced herself on the System Network.
• Shokuhou Misaki received a Physical Training System, and she and Misaka Mikoto traded insults until Shirai Kuroko and Chu Chen urged them to stop.
• Remilia Scarlet revealed that her Destiny Template System rewarded her for changing the fates of people around her, while Housenki Kaguya unveiled her Game Template System and its Scarlet Devil Mansion novice quest.
• Remilia Scarlet resented being labeled a novice-level boss and ordered Sakuya to gather the mansion’s residents and bring Flandre out to face Kaguya.
• Chu Chen showed Misaka Mikoto and Shirai Kuroko the luxurious villa Alester had prepared for him.

Chu Chen hosted Misaka Mikoto, Shirai Kuroko, Uiharu Kazari, and Saten Ruiko, then spent the night with Nangong Natsuki at his villa. The next morning, Last Order loudly spread the news, while the chapter ended with Keisaku Kanmuri reflecting on her past friendship with Tōri.

• Uiharu Kazari and Saten Ruiko were surprised by Chu Chen’s villa and learned he was an Academy City standing board member.
• Chu Chen offered to arrange for Uiharu Kazari to visit Tokiwadai with Shokuhou Misaki, and Misaka Mikoto explained that the School Garden normally barred outsiders.
• After his guests left, Chu Chen made dinner, sent Index, Last Order, and Tōri off to bed, and met Nangong Natsuki in his room.
• The next morning, Last Order saw Nangong Natsuki in bed with Chu Chen and ran around the villa announcing that he was keeping a mistress.
• Tōri heard Last Order’s claim, then avoided entering Chu Chen’s room and went to the living room as someone knocked at the front door.
• Keisaku Kanmuri recalled becoming Tōri’s real friend during the experiments and regretted how naive she had been.

Shokuhou Misaki brought Keisaku Kanmuri to see Tōri, and the two friends reunited after Keisaku had believed Tōri was dead. Chu Chen arranged for them to have time alone while Nangong Natsuki transferred the others inside.

• Keisaku Kanmuri recalled how Shokuhou Misaki freed her from the juvenile reformatory and brought her to School Garden.
• Shokuhou Misaki asked Shirai Kuroko to provide transportation, provoking an argument with Misaka Mikoto outside a board member's residence.
• Last Order ran out and hinted that Chu Chen was with a cheating partner before Tōri appeared and recognized Keisaku Kanmuri.
• Tōri and Keisaku embraced and cried as they reunited.
• Nangong Natsuki transferred Shokuhou Misaki, Misaka Mikoto, Shirai Kuroko, and Last Order inside so Tōri and Keisaku could talk privately.

Nangong Natsuki joined Chu Chen and the others for breakfast, where Shokuhou Misaki learned that Natsuki’s system rewarded her for slacking off. After Tōri and Keisaku Kanmuri’s affection stirred jealousy around the table, Chu Chen revealed Tōri’s connection to the Misaka Network and pointed Shokuhou and Keisaku toward her younger sister.

• Nangong Natsuki met Shokuhou Misaki, Misaka Mikoto, Shirai Kuroko, and Last Order, and explained that her Strongest Slacker System made her stronger when she slacked off.
• Chu Chen interrupted Tōri and Keisaku Kanmuri’s affectionate breakfast, and Tōri invited Keisaku to live with her; Shokuhou then asked to move in too.
• Misaka Mikoto asked whether Tōri was one of the Misaka Sisters, and Chu Chen explained that Tōri was the first clone made from Mikoto’s DNA and predated the others.
• Chu Chen revealed that Tōri had been created to develop a clone information-sharing network, and that another Tōri could inherit her memories if she died.
• Chu Chen told Shokuhou Misaki and Keisaku Kanmuri to find Kihara Genshi for the location of Tōri’s younger sister, and they agreed to retrieve her.

Shokuhou Misaki and Keisaku Kanmuri rescued Tōri’s younger sister, and Chu Chen brought her back to life. He then asked Shokuhou Misaki and Keisaku Kanmuri to deal with the researchers still connected to the Ability Evolution Plan, including Kihara Genshi.

• Shokuhou Misaki and Keisaku Kanmuri found and rescued Tōri’s younger sister, whom they feared researchers might use against Tōri and the Misaka Sisters.
• Shokuhou Misaki explained that her Level 6 Mental Out let her search across Academy City, while Chu Chen warned that taking in so many memories and emotions could overwhelm her.
• Tōri asked Chu Chen to give her younger sister a new life, and Chu Chen filled the room with green light as he activated the girl.
• Shokuhou Misaki admitted she had not captured Kihara Genshi, but Chu Chen said he would make sure the researcher was dealt with because he remained a threat to the sisters.
• Chu Chen asked Keisaku Kanmuri to accompany Shokuhou Misaki in handling the researchers tied to the Ability Evolution Plan, and Keisaku agreed.

Chu Chen stayed behind while Shokuhō Misaki and Keisaku Kanmuri went to deal with Kihara Genshi, and he tested a way to make the toxic magical knowledge from the Index World usable. He agreed to accompany Tōri and Misaka Zero around Academy City after finding that infusing the knowledge with genuine Abnormal Law could work, though inefficiently.

• Mikoto complained that Kuroko would not let her help with the Disciplinary Committee’s investigation into the Imaginary Disease, and Chu Chen told her to let Kuroko handle her own duties.
• Shokuhō Misaki decided to deal with Kihara Genshi first and consult Chu Chen afterward, while Keisaku Kanmuri went with her for protection.
• Tōri introduced her younger sister as Misaka Zero and invited Chu Chen to show them around Academy City.
• Chu Chen tested extracting magical knowledge from the Index World and found that infusing it with genuine Abnormal Law stopped it from collapsing, though the process was inefficient.
• Chu Chen accepted Tōri’s invitation and agreed to go exploring with her and Misaka Zero.

Shokuhou Misaki discovered that Kihara Genshi was pursuing Misaka-related samples and sent Tōri and Chu Chen into action. When Item accepted Kihara’s request to capture Misaka Mikoto, the confrontation ended with Mikoto revealing overwhelming multi-skill power and trapping Mugino Shizuri’s team beneath storm clouds.

• Shokuhou Misaki learned that Kihara Genshi had sent people to collect samples and intended to restart the Ability Evolution Plan.
• Mugino Shizuri accepted Kihara’s request to capture the third-ranked Esper, and Item set out to confront Misaka Mikoto.
• Chu Chen entered a family restaurant with Tōri and Misaka Zero and spotted Item approaching Mikoto.
• Mugino attacked Mikoto with Meltdowner, but Mikoto dodged and recognized Mugino and her ability.
• Mikoto erupted in rage over the threat to use her blood samples and create more Sisters, unleashing storm clouds, lightning, and immense power.
• Takitsubo recognized that Mikoto was a multi-skill Esper as Mugino stared in disbelief beneath the gathering clouds.

Misaka Mikoto defeated Item and crippled the group’s abilities, while Chu Chen healed their injuries and took over the organization. After returning to his lunch date with Tōri and Misaka Zero, Chu Chen received a request from Housenki Kaguya to visit his world, and Remilia Scarlet began planning to bring the Scarlet Devil Mansion along.

• Misaka Mikoto struck the Item Quartet with lightning that bypassed their barrier and damaged their AIM Diffusion Fields, leaving them badly injured.
• Chu Chen healed Item’s injuries and explained that he wanted to take over the group to handle threats around his family and friends.
• Chu Chen called Alester, who gave him permission to take over Item, then returned to his lunch with Tōri and Misaka Zero.
• Tōri teased Chu Chen for leaving during their date, and he promised to spend the day showing them around Academy City.
• Housenki Kaguya asked to visit Chu Chen’s world, and Chu Chen told her to travel to Misaka Mikoto’s location.
• Remilia Scarlet asked to bring the people from the Scarlet Devil Mansion to the other world.

Mugino Shizuri woke in Chu Chen’s villa after Misaka Mikoto defeated her, while Bampton tried to keep her there until Chu Chen returned. Chu Chen arrived to find Remilia and Flandre under Himekami Akisa’s influence and freed them, leaving the group to deal with the aftermath.

• Mugino Shizuri woke with her ability weakened and recalled how Misaka Mikoto had overwhelmed her.
• Bampton told Mugino Shizuri that Chu Chen had rescued her and asked her to stay, but Mugino refused to take orders.
• Kinuhata Saiai, Frenda, and Takitsubo Rikou watched, recalling how they had tried to escape and been dragged back by Bampton and her sisters.
• Chu Chen returned with Misaka Mikoto and found Remilia and Flandre clinging to Himekami Akisa while the others tried to pull them away.
• Chu Chen snapped his fingers, clearing Remilia and Flandre’s dazed state and ending Himekami Akisa’s influence over them.

After welcoming the Gensokyo visitors to Academy City, Chu Chen returned home to find Mugino Shizuri and the others had wrecked his living room. He restored the room, let the visitors settle in, and questioned Item, who feared what he might demand in exchange for sparing them.

• Chu Chen explained Himekami Akisa’s Vampire Killer blood and sealed her ability, alarming Remilia and prompting Patchouli and Kaguya to consider its uses.
• Chu Chen welcomed the Gensokyo group to Academy City, then returned home to find Mugino Shizuri and the others had caused extensive damage during a fight with Brot and her sisters.
• Chu Chen restored the living room with a snap of his fingers, astonishing the visitors, and invited them to choose rooms in his home.
• Remilia, Flandre, Sakuya, Patchouli, and the others went to explore the house while Mikoto took Himekami Akisa aside.
• Brot apologized for the mess and Daisanper called Mugino Shizuri an old lady, while Mugino’s teammates restrained her from retaliating.
• Chu Chen sent Brot and her sisters off to enjoy themselves, then asked Item to explain themselves; Mugino asked what it would take for him to let them go.

Chu Chen recruited Mugino Shizuri and the rest of Item after Academy City appointed him their direct superior, and he invited them to live at his villa despite their weakened abilities. Misaka Mikoto accepted his reassurance about their safety and learned through the System Network that Shirai Kuroko was awake and energetic.

• After subduing Mugino Shizuri, Chu Chen offered to take over Item and showed her Alester’s appointment making him their new director and direct superior.
• Mugino Shizuri, Kinuhata Saiai, and Takitsubo Rikou explained that their abilities had weakened, while Frenda reported no apparent side effects; Chu Chen said he could restore them to Level 5.
• Mugino Shizuri and the other three accepted Chu Chen’s offer, and he told them to live at his villa and choose available rooms.
• Misaka Mikoto encountered Item and voiced concern about having them near Index and Last Order, but Chu Chen assured her Mugino Shizuri would not risk attacking them.
• Chu Chen asked Shirai Kuroko through the System Network how she was doing, and Misaka Mikoto concluded that Kuroko was fine after seeing her excited reply.

Kiyama Harumi used the Imaginary Disease to connect nearly twenty thousand people and gained immense power, but Shirai Kuroko confronted her while Uiharu Kazari took the treatment program to help the victims. As Kuroko faced the Fantasy Beast, Shokuhou Misaki and Keisaku Kanmuri headed to the scene, while Chu Chen’s group chat revealed that Kihara Genshi had been killed.

• Kiyama Harumi drove away with Uiharu Kazari captive and explained that she had gathered the computing power of nearly twenty thousand people to replace the Tree Diagram Designer.
• Kiyama Harumi gave Uiharu Kazari the treatment program, then revealed that the Imaginary Disease’s byproduct had appeared as a red eye and golden pupil.
• Shirai Kuroko teleported Uiharu Kazari away and fought Kiyama Harumi’s assault, telling her she could not let her endanger the unconscious students.
• Shokuhou Misaki and Keisaku Kanmuri decided to go to the bridge after Shokuhou Misaki said Chu Chen would be there.
• Shokuhou Misaki told the group chat that Kihara Genshi would never wake again, and Shirai Kuroko turned her attention to the Fantasy Beast.

After the Fantasy Beast was destroyed, Shokuhou Misaki offered to help Kiyama Harumi expose the continuing Ability Crystallization experiments and protect their victims. Meanwhile, Housenki Kaguya settled in at Chu Chen’s home to play games, while Remilia and Flandre still considered finding a new home for the Scarlet Devil Mansion.

• Kuroko dodged the Fantasy Beast’s ice spikes, but Flandre destroyed the creature and accidentally sent debris past Remilia, leaving her crouched in a dejected pose.
• Chu Chen reassured Misaka Mikoto as Shokuhou Misaki used Mental Out on the Anti-Skill officers and approached Kiyama Harumi.
• Shokuhou Misaki told Kiyama Harumi that the Kihara Clan’s Ability Crystallization experiments continued and that some test subjects were still using Body Crystal, then asked her to help protect them.
• Kiyama Harumi reacted with horror to the experiments and considered Shokuhou Misaki’s offer to help her students and the other test subjects.
• Housenki Kaguya returned to Chu Chen’s home with games and a computer, explaining that she had told Yagokoro Eirin about the System and planned to stay for a few days.
• Chu Chen left the room after Kiyama Harumi’s situation was resolved, leaving Anti-Skill to handle the cleanup.

After the Imaginary Disease incident, Chu Chen and Patchouli researched magic until Kansai arrived and mistook Remilia for a threat, prompting a fight that ended when Index appeared. Elsewhere, Konoe Mitsuko faced a group of delinquents in an alley, confident she could defeat them, but their mocking reaction left the confrontation unresolved.

• Chu Chen had Shokuhou Misaki restore the abandoned children and arrange for Kiyama Harumi’s memories of Remilia and the others to be replaced.
• Chu Chen and Patchouli studied the world’s magic system, and Patchouli asked him to organize his purified knowledge into Grimoires.
• Kansai arrived at Chu Chen’s villa looking for Index and fought Remilia after mistaking her for a vampire connected to the Aureolus incident.
• Index called out to Kansai, causing her to stop powering up and leaving Remilia suddenly free of the pressure.
• Konoe Mitsuko confronted a dozen delinquents in an alley, prepared to take them down, but they responded with mocking smiles.

Chu Chen rescued Konoe Mitsuko from delinquents using an Ability Downer and later met with her and the Disciplinary Committee. Shirai Kuroko then asked Chu Chen for help with another matter, while Saten Ruiko enthusiastically cuddled Remilia and Flandre.

• Konoe Mitsuko was disabled by the delinquents’ sound-based attack until Chu Chen arrived and knocked them down.
• The Disciplinary Committee, Anti-Skill, and ambulances reached the alley, and Shirai Kuroko and Uiharu Kazari questioned Konoe Mitsuko.
• Konoe Mitsuko thanked Chu Chen and offered to treat him to a meal, while Shirai Kuroko asked why he had left home with Remilia.
• Chu Chen explained that Kamisato Kanzashi, a Saint, had come to his house, so he had left Index with her and taken Remilia out.
• Uiharu reminded Shirai Kuroko to ask Chu Chen for help, and Saten Ruiko pulled Remilia and Flandre into her arms and cuddled them.

Chu Chen gave Saten Ruiko a permanent Esper ability, which let her create airflow and freeze objects. The chapter ended with Saten and the others embarrassed by her accidental skirt-flipping and Chu Chen teasing her about her ability’s similarities to Uiharu’s.

• Chu Chen photographed Remilia and Flandre, and Sakuya Izayoi traded for copies of the pictures.
• Chu Chen offered Saten Ruiko an Esper ability, and she accepted despite worrying about troubling him.
• Chu Chen gave Saten Ruiko her ability, and her first use unleashed air that flipped the girls’ skirts.
• Mikoto confronted Chu Chen about photographing everyone’s Dark History and threatened his electronic backups with her electricity.
• Saten Ruiko demonstrated that she could chill a chair until mist and ice formed, and Chu Chen joked that she and Uiharu were true love because their abilities involved temperature.
• Saten Ruiko thanked Chu Chen for helping her gain an ability.

After the abandoned children passed out again, Kiyama Harumi asked Chu Chen to investigate the outside interference affecting their abilities. Chu Chen sent Remilia, Flandre, and Sakuya to handle the threat while Item continued gathering intelligence for Shokuhou Misaki.

• Uiharu realized she had worried Mikoto and the others and agreed to thank them and apologize.
• Kiyama Harumi reported that the children had suddenly lost consciousness again despite being medically healthy, and she suspected someone was disrupting their abilities.
• Meido Chase Soul confirmed that the children had no medical explanation for their symptoms, and Chu Chen concluded that an outside force was responsible.
• Chu Chen decided to delegate the investigation and asked Flandre to join Remilia and Sakuya, while Mikoto stayed behind.
• Mugino Shizuri, Kinuhata Saiai, Frenda, and Takitsubo Rikou rested after investigating the Kihara Clan for Shokuhou Misaki, and Takitsubo said Chu Chen had cured her Body Crystal side effects.

Mugino Shizuri received a mission after Kinuhata Saiai, Frenda, and Takitsubo Rikou whispered about her fall in rank. Remilia grew bored with Academy City and became interested in pursuing power in a vampire-focused world, while Patchouli watched Chu Chen test magic drawn from another world.

• Housenki Kaguya entered naked and handed Mugino Shizuri a message summoning her and the others to a mission.
• Mugino Shizuri confronted Kinuhata Saiai, Frenda, and Takitsubo Rikou for whispering about her, then left with them.
• Remilia complained that Academy City was dull, and Chu Chen described a world where vampires held power and suggested she could gain strength from familiars.
• Patchouli told Chu Chen that her research had produced results and asked him to demonstrate the method in his small world.
• Patchouli and Remilia watched Chu Chen unfold a massive Magic Circle as he began testing the other world's magic.