Chapter Summaries

Mikoto stopped Aleister’s plan to anchor Imagine Breaker in this world, saying she would preserve both worlds. As Touma and the others learned that Mikoto might sacrifice herself to save their world, Aleister revealed that Imagine Breaker was the key to saving both sides.

• Mikoto ambushed Aleister and rejected her plan, explaining that it would save one world at the cost of another.
• Mikoto left, promising that the world would return to normal, while the viewers speculated about her connection to the Sisters.
• Shokuhou and the others discovered that the long-haired girl was a Misaka Sister, then learned Mikoto was missing.
• Accelerator explained that Mikoto’s plan could make her the foundation of the world, prompting Touma and Shokuhou to reject her sacrifice.
• Aleister crawled into the dining hall and told Touma that Imagine Breaker could save both worlds, but the original plan would take it from another world.

Aleister proposed a way to save both worlds by using Kamijou Touma as the fulcrum to restore this world's missing elements, though the process would leave one version of Touma stranded. Touma accepted the cost and decided that the version who chose the plan should be the one to stay, while Long-haired Misaka Mikoto appeared atop the Windowless Building in District 7.

• Aleister explained that becoming Level 6 could let Mikoto escape individually, but saving both worlds required another solution.
• Aleister proposed using Academy City as a ritual ground to attach a wish to Touma and use Imagine Breaker to replicate the other world's missing elements.
• Aleister warned that the replication would create another Touma, leaving one version unable to return to his original world.
• Touma accepted the sacrifice, then said the version who made the choice should remain behind rather than the innocent version created by it.
• Long-haired Misaka Mikoto stood atop the Windowless Building in District 7.

Short-haired Mikoto and Shokuhou Misaki split off to recover the Externalized Brain after Kihara Genji seized control of it, while Accelerator and Kuroko worked on an isolation device. As Mikoto began transforming the sky, the pair headed for the Artificial Labor Room, but a green beam struck their car and forced them to escape.

• Kihara Genji activated a device that took control of the Externalized Brain, leaving Shokuhou unable to synchronize with Mikoto or stop her.
• Short-haired Mikoto and Shokuhou left to reclaim the Externalized Brain while Accelerator and Kuroko stayed behind to make an isolation device.
• Mikoto unleashed her Herrscher power, sweeping away the clouds and tearing dark fissures across the blue night sky.
• Shokuhou put on a white exoskeleton in the speeding car and warned Mikoto that her Mental Out had suffered backlash.
• A green particle beam pierced the car, and Mikoto pulled Shokuhou out before the vehicle exploded.
• Shokuhou's exoskeleton caught and steadied Mikoto as they slowed down after escaping the blast.

Short-haired Mikoto and Shokuhou fought ITEM, whose Mugino eventually quit because the job did not pay enough to face two Level 5s. They reached the former Artificial Labor Room, where a talking dog greeted them, while Accelerator completed an isolation device and Kuroko brought him a ring to use as its vessel.

• Mikoto and Shokuhou escaped Frenda’s bombs, and Shokuhou struck and controlled Kinuhata with her remote.
• Mikoto fired a Railgun at Mugino, who blocked it, while Shokuhou put Takitsubo to sleep.
• Mugino revealed that her mission was to stall for time, then quit because the employer had not paid enough to face two Level 5s.
• Mikoto carried Shokuhou to the former Artificial Labor Room, where they encountered a dog that spoke to them.
• Accelerator finished designing an isolation device, and Kuroko brought him a ring to serve as its vessel.

Touma, Aleister, and the Misakas uncovered how Kihara Genji had hijacked the Externalized Brain and opened a connection between worlds. Shokuhou agreed to reclaim her brain slices to help stop him, as Mikoto prepared to block the Misaka Network and buy her a few seconds.

• Kuroko blushed after Accelerator removed her chains, and the scene shifted to Touma and Aleister traveling between locations.
• Aleister explained that the world's power was failing and realized Kamijou Touma, not Imagine Breaker, was the fulcrum behind the Magic Gods' wish.
• Mikoto began connecting worlds and editing reality, but Kihara Genji hijacked the Externalized Brain and opened a passage to another world.
• Kihara Brainstem told Short-haired Mikoto and Shokuhou that Kihara Genji controlled the Externalized Brain and that Mikoto could block the Misaka Network for about 3.001 seconds.
• Shokuhou agreed to reclaim the brain slices used to create the Externalized Brain, while Short-haired Mikoto was distressed by everyone's willingness to sacrifice themselves.

Shokuhou accepted the painful consequences of joining the Externalized Brain to save Mikoto, while Accelerator and Touma raced to confront a hijacked, berserk Mikoto. With the world due to collapse in five minutes, Touma and Accelerator struggled to reach her through her overwhelming lightning.

• Kihara Brainstem warned Shokuhou that connecting the Externalized Brain would permanently heighten her sensitivity and could make ordinary sensations agonizing, but Shokuhou agreed to proceed for Mikoto.
• Accelerator connected a device to the equipment and left Kuroko to wait for its program to finish burning in as he rushed toward Mikoto.
• Aleister told Touma that Kihara Genji had hijacked Railgun (Uncharted Territory) and intended to observe the world's collapse before escaping to another world.
• Touma pushed through the resurgent thunderstorm and met Accelerator near the Windowless Building, where they saw Mikoto transformed and floating above it.
• Accelerator told Touma that it was 23:54, leaving five minutes before the world's destruction, while Kihara Genji celebrated his plan to use the collapse data to create a world.
• Mikoto attacked Touma and Accelerator with a massive lightning strike, and they realized they had to reach her despite her powerful defenses.

Touma and Accelerator fought through Mikoto’s defenses, allowing Touma to reach her as Shokuhou disrupted the Misaka Network. With the world nearing destruction and Mikoto trying to complete its construction, Touma entrusted Shokuhou with the isolation collar for one last attempt, while Aleister prepared him for another task.

• Accelerator and Touma combined their abilities to withstand Mikoto’s lightning and create a path for Touma to sprint toward her.
• Short-haired Mikoto severed the Misaka Network as Shokuhou synchronized with the Externalized Brain, disrupting it long enough for Touma to touch Mikoto.
• Kihara Genji used a remote control to trigger the Tree Diagram Designer, but Mikoto resisted the world’s destruction and revealed her connection to its construction.
• Aleister explained the risk of completing the world through Touma, while Kuroko arrived carrying Shokuhou and Accelerator gave Touma the isolation collar.
• With seconds remaining, Touma handed the collar to Shokuhou, asked Accelerator to open a path, and began a separate plan with Aleister.
• Kuroko teleported Shokuhou to within thirty meters of Mikoto as Aleister prepared Touma to use an adjusted Imagine Breaker.

Shokuhou saved Mikoto by fastening the collar around her neck, and they briefly entered the Uncharted Territory as the world was restored. They returned to Academy City, where Mikoto explained the truth about the Level 6 Experiment, only for two Kamijou Toumas to appear and attack each other.

• Shokuhou overloaded her armor, ran through Mikoto’s lightning, and fastened the collar around Mikoto’s neck.
• Mikoto and Shokuhou saw Kihara Genji trapped in the gap between worlds as their world began to take shape again.
• Mikoto and Shokuhou returned to Academy City, where Kuroko covered them with blankets and Accelerator asked what had happened.
• Mikoto explained that the Level 6 Experiment had been a bait-and-switch scheme intended to make her a Creator.
• Two Kamijou Toumas appeared, and the original Touma and Replicant Touma immediately attacked each other.

Touma and Short-haired Mikoto returned to their original world after helping save the other world. Replicant Touma stayed behind, made peace with Accelerator, and the scene shifted to the original world’s Shokuhou Misaki.

• Replicant Touma knocked Original Touma unconscious, then tied him to a handcart so Short-haired Mikoto could take him home.
• Long-haired Mikoto used an arcade token to open a passage between worlds and gave Short-haired Mikoto a parting gift.
• Short-haired Mikoto pulled Touma through the passage, untied him, and returned with him to their original world on September 20th.
• Accelerator told Replicant Touma he had helped him out of friendship and curiosity, and said he would like to be his friend.
• Kuroko brought Mikoto clothes, and Shokuhou asked her to find sunglasses before the scene shifted to the original-world Shokuhou Misaki.

Shokuhou Misaki was stunned when Kamijou Touma remembered her and mistakenly assumed she and Mikoto were close friends. A photo from another world revealed Shokuhou embracing a long-haired version of Mikoto, leaving both girls bewildered before they parted to resume their searches.

• Kamijou Touma greeted Shokuhou by name and encouraged her and Mikoto, making Shokuhou believe he remembered her and Mikoto deny that they were close.
• Shokuhou pretended that she and Mikoto were friends, and Touma took their arguing as proof of their good relationship.
• Mikoto dragged Shokuhou aside and explained that Touma had misunderstood their relationship, prompting Shokuhou to scream when she realized what he thought.
• A Gekota toy fell open to reveal a photo of Shokuhou embracing a long-haired Mikoto and a message from Shokuhou Mikoto; Mikoto explained that they had met in another world.
• Shokuhou and Mikoto argued over the photo, then parted to search for Keisatsu Kanketsu and the Misaka Sisters.

After the world was restored with elements copied from another world, Mikoto and Aleister discussed the return of Magic Gods and the strange vision Mikoto had witnessed. With the movie finished and a television spin-off announced, Mikoto began helping Shokuhou recover from the heightened sensitivity caused by the world-saving events.

• Aleister explained that the world had gained the missing elements of another world, including the return of Magic Gods and Aiwass.
• Mikoto described seeing a world where life and existence repeatedly faded, though she left the details unclear.
• The stage announced that the movie had ended and that it would fund a television spin-off.
• Mikoto weakened Shokuhou Misaki’s brainwave signals to reduce her hypersensitivity and explained that she would need regular recharging.
• Shokuhou worried that her heightened sensitivity and recovery routine would interfere with her many responsibilities.

Shokuhou Misaki recovered at Mikoto’s home, where the two prepared for Mikoto to start school as her roommate. As Mikoto’s new television series began, she hoped its growing audience would help her rise from a minor supporting role.

• Shokuhou Misaki explained how she had become Tokiwadai’s Eternal Princess with Mikoto’s support and Mitsuya Aiyu’s help.
• Mikoto visited Shokuhou, who asked her to make the conspicuous collar less noticeable, but Mikoto refused to remove it because Shokuhou had put it on her.
• Mikoto told Shokuhou she had finished the enrollment procedures and that they would go to school together the next day.
• Mikoto asked the stage when the previous movie edition would be settled, and it replied that it would be handled after the anime series version concluded.
• Mikoto’s new television series began with her morning routine, and she hoped her rising popularity would improve her job title.

Mikoto began her first day as a transfer student at Tokiwadai, with Kuroko showing her around while Shokuhou slept. When Mikoto encountered Arisa Meigo performing a street concert and delinquents approaching her, Kuroko left to answer a Judgment call, leaving the situation poised to unfold.

• Mikoto let Shokuhou sleep and left the dormitory with Kuroko, who explained Academy City and Tokiwadai.
• Kuroko tried to get close to Mikoto, but Mikoto shocked her with lightning; Kuroko and Mitsuya Aiyu then fought over who would show Mikoto around.
• Mikoto decided to trigger events herself and encountered Arisa Meigo singing at a street concert as delinquents approached her.
• Kuroko received a call from Uiharu, put on her Judgment armband, and teleported away, leaving Mitsuya Aiyu behind.

Shirai Kuroko introduced Misaka Mikoto to Chunibyo Shirai and Saten Ruiko, who had imagined Mikoto as a frail princess but were stunned by her imposing appearance and medical equipment. Kuroko’s dramatic jealousy turned the meeting into a comedy, and the chapter ended when a waitress interrupted her plea for Mikoto’s affection.

• Shirai Kuroko arrived at the scene, cuffed the defeated delinquents, and asked Mitsuya Aiyu to explain what had happened while she left Misaka Mikoto in her care.
• Chunibyo Shirai told Saten Ruiko that Kuroko wanted Mikoto to experience Academy City, and Saten eagerly agreed to help make friends with her.
• Uiharu explained that Mikoto was a Tokiwadai student and the legendary First Level 5, making Saten increasingly nervous about meeting her.
• Kuroko brought Mikoto to the restaurant, where Saten was astonished by Mikoto’s appearance and asked about the medical equipment around her neck.
• Mikoto said the equipment was medical, Kuroko declared that her love was not involved, and then she clung to Mikoto as the waitress approached.

Mikoto took Kuroko, Uiharu, and Saten to her room, where they discovered she shared clothes and other belongings with Shokuhou. Mikoto leaned into their shocked assumptions to gain Popularity Points, then left them believing her close bond with Shokuhou came from power-development training.

• Kuroko insisted on shopping for Mikoto, but Mikoto invited her, Uiharu, and Saten to inspect her room instead.
• The group found Mikoto's wardrobe empty, and Mikoto explained that her clothes and belongings were in Shokuhou's wardrobe.
• Saten realized Mikoto and Shokuhou shared clothes and underwear, prompting Kuroko to collapse in shock.
• Mikoto reflected that she and Shokuhou had shared belongings since childhood as part of their frequency-tuning training.
• Mikoto deliberately encouraged the group's suspicions about her and Shokuhou to earn Popularity Points, then explained that their hospital-room synchronization had helped develop their powers.

Mikoto went shopping with Kuroko, Uiharu, and Saten, then stopped a terrorist who planned to bomb the mall. As Mikoto confronted him, the scene shifted to Uiharu and Shirai finding the explosive.

• Mikoto agreed to buy decorations and personal items, and the group went shopping while Kuroko tried to add a Kuroko Doll to the list.
• The group watched a holographic meteor shower, then headed to a restaurant in the neighboring mall.
• A mall evacuation alarm sounded after a suspicious item was discovered, and Uiharu told Saten to escort Mikoto out while she helped evacuate people.
• Mikoto vanished and confronted a man who planned to detonate explosives in the plaza, stopping his bullets and pinning him in place.
• Uiharu and Shirai found the buried explosive.

Saten Ruiko, Mikoto, and Shirai Kuroko stopped a terrorist attack, and Mikoto later gave Shokuhou Misaki a whistle as a gift. After the episode ended, the bonus animation followed short-haired Mikoto and Original Shokuhou as they secretly entered a hotel to investigate another world.

• Saten Ruiko spotted a suspicious man and tried to alert a security robot, but the terrorist grabbed her and threatened a nearby girl.
• The terrorist drove an explosives-filled car toward the crowd, and Mikoto used her Railgun and electromagnetic abilities to stop him and destroy the vehicle.
• Shirai Kuroko arrived after defusing a bomb, while security robots pinned down the terrorist.
• Mikoto returned to the dorm and gave Shokuhou Misaki a whistle so she could hear her in an emergency.
• After the main episode ended, short-haired Mikoto and Original Shokuhou entered a hotel to try to observe another world.

Original Shokuhou and Short-haired Mikoto used an Otherworld Observation Device to spy on a neighboring world, hoping to learn why Touma treated Shokuhou strangely. They discovered that the other-world versions of Mikoto and Shokuhou were roommates, leaving both observers horrified and Shokuhou with an unsettling new mystery.

• Original Shokuhou secretly enlisted Short-haired Mikoto to use Mental Out and the Otherworld Observation Device, and they entered a dream while holding hands.
• They saw Long-haired Mikoto waking up in a bare room and laughed at the large Blocking Device collar around her neck.
• Original Shokuhou recognized her own voice under the covers and realized that the other-world Shokuhou was living with Long-haired Mikoto.
• Short-haired Mikoto spotted Shokuhou's handbag and other familiar belongings, confirming that the two were roommates in the neighboring world.
• The pair woke up in a panic, separated their hands, and Short-haired Mikoto revealed that the other-world Shokuhou had put the collar on Long-haired Mikoto.

Original Shokuhou and Short-haired Mikoto watched Long-haired Mikoto’s world through a dream, recoiling when they discovered she shared clothes with another upperclassman. Their curiosity grew as Long-haired Mikoto faced a terrorist attack and Short-haired Mikoto considered whether she could intercept the attackers’ communications.

• Original Shokuhou and Short-haired Mikoto entered the dream and watched Long-haired Mikoto meet transfer student Mitsuya Aiyu.
• They observed Long-haired Mikoto invite Saten Ruiko and Chunibyo Shirai to her dorm, where Saten revealed that Mikoto shared clothes with another upperclassman.
• Original Shokuhou and Short-haired Mikoto woke in alarm, then decided to resume watching because little time passed in their world.
• Long-haired Mikoto asked Stage whether she could visit the other world, while the observers noticed its technology seemed decades ahead of theirs.
• Short-haired Mikoto considered hacking the attackers’ walkie-talkies as Long-haired Mikoto saved Saten Ruiko and fired a Railgun.

Original Shokuhou and Short-haired Mikoto watched their counterparts in another world grow closer, leaving both overwhelmed by what they saw. Aleister then revealed that a copy of the other world remained within Long-haired Mikoto’s Uncharted Territory.

• Long-haired Mikoto gave Shokuhou Misaki a gift, and Original Shokuhou was distressed as Shokuhou accepted it and invited Mikoto to bathe with her.
• Original Shokuhou and Short-haired Mikoto watched their counterparts share a bath, where Shokuhou described how the Externalized Brain had increased her computational ability and sensitivity to stimulation.
• Mikoto and Shokuhou pressed their foreheads together to begin their work, and the original duo stopped watching because the scenes were too difficult to endure.
• Aleister told Aiwass that the incomplete world had survived as a backup inside Long-haired Mikoto’s Uncharted Territory.