Chapter Summaries

Lucky watched Natsuki Subaru’s early deaths and repeated attempts to survive the slum encounter, waiting for a chance to reveal the Music Sprite’s power. After Reinhard intervened and Elsa Granhiert attacked again, the glowing mug shielded Subaru and forced Elsa to retreat.

• Natsuki Subaru met Emilia after being robbed in an alley, but Elsa Granhiert killed them both.
• Natsuki Subaru returned by death, tried different approaches, and was killed again by Elsa and later by the trio of alley robbers.
• Natsuki Subaru recognized that the mug in his shopping bag had followed him through his returns and met Reinhard.
• Emilia and Puck joined the battle against Elsa in Rom's warehouse, and Reinhard arrived to drive the fight toward its end.
• Natsuki Subaru defended Emilia from Elsa's final attack, and the Music Sprite's blue light from the mug blocked the blow and sent Elsa retreating.
• Natsuki Subaru found the glowing mug in his shopping bag, while Emilia and Felt realized he had a magical artifact.

Natsuki Subaru met Mulu, a Music Sprite from another world, who revealed that Subaru had traveled between worlds and agreed to form a time-limited Contract with him. After answering questions, Subaru chose to go with Emilia, while Reinhard discovered Felt’s identity and took her away.

• Mulu emerged from Subaru’s mug and criticized him for being careless after his repeated deaths.
• Mulu explained that he had revealed himself because Subaru’s situation was complicated, and confirmed that Subaru came from another world.
• Mulu formed an equal, time-limited Contract with Subaru, and an Adventurer Mark appeared on the back of Subaru’s right hand.
• Subaru answered questions about other worlds while keeping the secret of Return by Death to himself.
• Reinhard invited Subaru, but Subaru chose Emilia’s invitation instead.
• Reinhard discovered Felt’s identity, knocked her unconscious, and took her away after a small dispute.

Natsuki Subaru arrived at Roswaal’s mansion with Emilia and met the maids Rem and Ram, while Mulu reminded him that he still had to find a way to survive in the other world. Mulu was transported to the Forbidden Library, where Beatrice questioned the Sprite about its nature and the Dragon Vein’s power.

• Natsuki Subaru asked Emilia to keep his identity secret as they traveled to Roswaal’s mansion.
• Rem and Ram welcomed Emilia and Natsuki Subaru, then explained that Roswaal would not return until the next day.
• Natsuki Subaru summoned Mulu and learned its name, but Mulu said he had not yet earned its recognition or gained the ability to use magic.
• Mulu appeared in the Forbidden Library and introduced itself to Beatrice as a Music Sprite.
• Beatrice recognized Mulu as an artificially created Sprite and asked about the Dragon Vein’s power.

Beatrice spoke with Mulu, a spirit connected to Lucky, and learned that Lucky came from another world. Mulu encouraged her to keep waiting for the person in her Gospel while also expanding the Forbidden Library, leaving Beatrice newly interested in collecting knowledge and Lucky eager for Roswaal to appear.

• Beatrice questioned Mulu about his absent Father and learned that Mulu was transmitting images to Lucky in another world.
• Mulu read books from the Forbidden Library while Lucky copied their pages, and Beatrice asked about Mulu, Lucky, and their world.
• Beatrice told Mulu about her centuries-long wait for the person promised by her blank Gospel.
• Mulu suggested that Beatrice could keep waiting while collecting knowledge and enlarging the library, which rekindled her interest in life.
• Beatrice and Mulu talked through the night, while Lucky waited to see whether Roswaal's Gospel would reveal anything about him.

Natsuki Subaru found Beatrice’s Forbidden Library, learned about its magical books and the aura Lucky lent him, and met Emilia and Puck. Roswaal returned after noticing his Gospel’s predictions had diverged, then questioned Subaru’s origins, leaving Beatrice to explain that Subaru came from another world.

• Natsuki Subaru accidentally entered the Forbidden Library, where Beatrice blasted him out after he tried to take a book, while Mulu continued reading.
• Lucky’s aura protected Natsuki Subaru from Beatrice’s attack, and he discussed the differences between their worlds’ magic with Beatrice.
• Natsuki Subaru met Emilia in the courtyard, led her through morning exercises, and petted Puck.
• Roswaal returned early because his Book of Gospel’s predictions had changed and questioned Natsuki Subaru about his origins.
• Beatrice told Roswaal that Natsuki Subaru came from another world.

Natsuki Subaru faced questions about his origins after Beatrice and Mulu demonstrated their powers, while Roswaal observed the unfamiliar Nen and magic. The conversation turned to what had brought Subaru to this world, and Beatrice asked whether his father had noticed it.

• Beatrice used Gravity to knock Natsuki Subaru down, letting him sense his protective Nen more clearly.
• Roswaal noticed Subaru's Nen and Beatrice's change, while Lucky realized the Book of Gospel could not foresee powers from other worlds.
• Mulu removed Beatrice's Gravity and then shocked Subaru, warning him not to treat the dangerous world like a game.
• Mulu said she was willing to reveal her power to learn about the world, and Roswaal challenged Subaru to prove he came from another world.
• Mulu said the force that brought Subaru to this world originated from Roswaal's world, and Beatrice asked whether Subaru's father had noticed it.

Mulu questioned Natsuki Subaru about why he had been brought to this world and whether he could return, but Roswaal had no answers. After thinking it over, Natsuki Subaru chose to become Emilia’s retainer and help her become king while searching for a way home.

• Mulu asked Natsuki Subaru to consider the danger of the world, the reason he had been summoned, and how he would live there.
• Roswaal explained that no one knew of otherworlders or a way to travel between worlds, then described the Three Heroes and the Witches, including the Witch of Envy.
• Mulu left, Emilia offered Natsuki Subaru time to think, and Beatrice returned to the Forbidden Library with her brother.
• By dinner, Natsuki Subaru had decided to become Emilia’s retainer and help her become king.
• Roswaal realized that Mulu’s presence explained why the Book of Gospel’s information had changed.
• Emilia accepted Natsuki Subaru’s choice and agreed to help him look for a way home, while Mulu pointed out that his otherworldly knowledge could aid her.

Roswaal observed Mulu and Beatrice in the Forbidden Library as Beatrice studied music that moved mana, while Natsuki Subaru learned about the library and shared knowledge from his world. After Mulu detected a Curse on Subaru and Lucky chose not to intervene, Subaru woke the next day and learned he had died again, suspecting Emilia’s connection to the royal succession struggle.

• Roswaal visited the Forbidden Library, watched Mulu copy its books, and saw Beatrice play music that stirred the mana around her.
• Beatrice recorded her findings and spoke with Natsuki Subaru, gathering ordinary knowledge from his world; Roswaal learned that she had found a new way to wait for the person she sought.
• Mulu sensed that Subaru had been cursed and would likely die that day, but Lucky told her to let events unfold unless Subaru asked for help.
• Subaru woke the next day and learned from Mulu that he had died in his sleep.
• After recognizing the danger around him, Subaru suspected that Emilia and the struggle for the throne were connected to his death.

Natsuki Subaru asked Mulu to help protect Emilia, but Mulu refused and left him to use Nen on his own. Mulu visited Beatrice in the Forbidden Library and showed her memories she mistook for time magic, while Subaru continued toward becoming Emilia’s retainer and learned to use Ten.

• Mulu challenged Natsuki Subaru’s choice to help Emilia, but Subaru reaffirmed his commitment and asked for help; Mulu refused and told him to use his power himself.
• Natsuki Subaru discovered that he could control Nen easily and began experimenting with it.
• Mulu went to the Forbidden Library, introduced himself to Beatrice, and showed her memories of their earlier interactions.
• Beatrice mistook Mulu’s memories for time-reversal magic and discussed magic with him until Natsuki Subaru entered the Forbidden Library.
• Natsuki Subaru became Emilia’s retainer, while Roswaal observed Mulu and Subaru’s Nen.
• Natsuki Subaru learned to read faster and taught himself Ten as he gradually mastered Nen.

Natsuki Subaru discovered that his new Nen-like power could strengthen his offense and defense, but Rem's attack triggered his Curse and killed him. After Mulu returned his memories through a rewind, Subaru learned that his power came from Satella, while Mulu sought Beatrice's help with the memory sphere.

• Natsuki Subaru tested his new power by kicking a tree and resisting a kitchen cleaver, then trained to use it to protect himself and Emilia.
• Natsuki Subaru's Curse activated during the night, and Rem's blade struck Mulu's Barrier as Subaru collapsed coughing blood.
• Mulu struck Rem with lightning, while Beatrice examined Subaru and said the activated Curse could not be cured.
• Mulu took Subaru's memories in a golden sphere and leaped into the mug before Subaru died, after which the world vanished around him.
• Natsuki Subaru woke again, and Mulu told him that his power came from Satella, the Witch of Envy, and asked whether he would continue after dying twice.
• Mulu took the memory sphere to Beatrice, who wondered whether the power to change the past was real.

Mulu brought Beatrice a Memory Orb containing memories from a previous loop, including the truth about Natsuki Subaru's Return by Death. In the third loop, Subaru tried to discover who had cursed him and win Mulu's favor, but the chapter ended as Mulu rushed toward the cotton candy Subaru and Rem had brought.

• Mulu gave Beatrice her Memory Orb, and she learned that Natsuki Subaru could return to the past through Return by Death.
• Beatrice found no new guidance in the Book of Gospel and later lectured Natsuki Subaru when they met again.
• Natsuki Subaru suspected that someone at the mansion or in the nearby village had cursed him, and he began trying to curry favor with Beatrice and Mulu.
• Natsuki Subaru struggled to make cotton candy and asked Rem, who was skilled at cooking, for help.
• Puck asked Mulu why he had made a Contract with Natsuki Subaru, and Mulu said the choice of his mug had been part of the Contract.
• Natsuki Subaru and Rem arrived carrying cotton candy, and Mulu rushed toward it before Subaru stopped him.

Natsuki Subaru used cotton candy to coax Mulu into teaching him Nen, despite Mulu’s disapproval of his motives for helping Emilia. After learning several Nen techniques, Subaru saw a way to gradually grow stronger.

• Natsuki Subaru pushed Mulu away and offered cotton candy to Emilia, while Rem explained how she had made two kinds of the sweet.
• Emilia invited Mulu to join them, and Subaru realized Mulu’s love of cotton candy might persuade him to help.
• Emilia urged Subaru to get along with his spirit, and Mulu criticized him for pursuing the Royal Selection while unable to protect himself.
• Subaru asked Mulu how to earn his acknowledgment, but Mulu refused and questioned Subaru’s motives for supporting Emilia.
• Mulu agreed to teach Subaru basic Nen techniques in exchange for the cotton candy, and Subaru practiced Nen Wrap and other applications.
• Subaru used Gyo to see the Nen leaking from his body as the Witch’s scent, then learned that repeated use of his Contract’s power could gradually increase his Nen.

Lucky traveled to the Hunter x Hunter world during the Chimera Ant Arc and arrived in NGL, where Killua had just escaped with Gon after encountering Catwoman. He met Netero and the support team, then overwhelmed them with his aura as he insisted on facing the Chimera Ants himself.

• Lucky found a parallel world at the Heavenly Arena, checked that it was the year 2000, and flew toward NGL to seek out the Chimera Ants.
• Killua carried Gon Freecss toward the border after fleeing Catwoman, then called Kite's companions to report what had happened.
• Netero, Morel, and Knov arrived to support Killua, who warned them that Catwoman possessed a terrifying Nen Ability.
• Lucky flew into view with crimson wings, introduced himself as someone who had come to investigate the Chimera Ants, and declined to claim he was a Hunter.
• Knov warned Lucky to stay away from the Chimera Ants, but Lucky released a burst of pressure that made Knov collapse and left Killua trembling.

Lucky revealed his formidable aura to Netero and the others, then agreed to leave them to handle the Chimera Ants until the Ant King appeared. The group prepared to depart, while Lucky approached Gon Freecss and ruffled Killua's hair.

• Knov sensed that Lucky's aura threatened his life, and Lucky praised Knov's ability while explaining that Divine Script could counter it.
• Morel and Knov considered how their abilities might have threatened the Ant King, but recognized that the Royal Guards were exceptionally dangerous.
• Netero saw Lucky as a worthy opponent, and Lucky agreed that he would not interfere until the Ant King was born.
• Lucky warned Netero not to underestimate the guards, and Netero asserted that Lucky would have to face him if the Ant King appeared.
• Netero and the others prepared to leave, and Lucky approached Gon Freecss and reassured Killua as he ruffled his hair.

Lucky awakened Gon Freecss and showed him and Kite’s companions footage of Gon and Killua’s encounter with Catwoman, revealing Kite’s injury and the Chimera Ant threat. Gon remained desperate to know whether Kite was alive, while Lucky withheld the answer and stayed with the group as they waited.

• Lucky tapped Gon Freecss’s forehead with Nen, waking him, and Gon thanked Lucky and Killua before asking about Kite.
• Spinna and Kite’s companions called Gon and Killua to their car, but Gon insisted on returning to NGL despite the Hunter Association’s restrictions.
• Lucky created a golden screen showing Gon’s first-person footage of the Chimera Ants and Catwoman severing Kite’s arm, and Gon watched in distress.
• Lucky explained that the Chimera Ants came from the Dark Continent, while Killua realized Lucky had doubts about Netero’s ability to stop Meruem.
• Lucky chose to stay with the group while he waited, then teased Gon by refusing to tell him Kite’s fate, even though Kite was likely dead and might return as a Chimera Ant.

Lucky left Gon Freecss and the others after warning that Killua was not strong enough to go to NGL, then returned to his own world to investigate Chimera Ant transformation. After studying forbidden research files, he concluded that Chimera Ant genes had unusually high genetic Fusion stability.

• Spinna parted ways with Gon Freecss and the others, while Lucky used Gravity to pin Killua down and warned him against going to NGL.
• Lucky met Palm at the town's notice board hall and considered the Chimera Ants' transformation technology and Shaiapouf's role in creating soldiers.
• Lucky introduced himself as Lucky Phoenix, vanished, and returned to the Heavenly Arena to order his subordinates to gather research and intelligence.
• Lucky studied files on genetic modification and Chimera Ant experiments, learning that the ants could pass on absorbed genes but could not safely produce offspring with unlimited changes.
• Lucky found that the small Chimera Ant experiments had only been documented through three generations, with the third-generation queen growing to the size of a rat.

Lucky investigated Shaiapouf's abilities, then watched Natsuki Subaru's third loop end in the village's destruction. Roswaal probed Mulu's Mark Cup and was dragged into Lucky's world, where Lucky seized his Book of Gospel and found most of its pages blank.

• Lucky wondered whether Shaiapouf's power came from an unusually strong Nen Ability, then rested after reviewing the available data.
• Natsuki Subaru sparred with Emilia and was soundly defeated, then sought the source of the village's Curse; with Beatrice's help, he identified the little dog as its cause and had the Curse lifted.
• The next day, Natsuki Subaru learned that Magical Beasts had killed everyone in the village, while Roswaal framed the massacre as a threat to Emilia's reputation and considered how to avoid time reversal.
• Roswaal secretly switched Mulu's Mark Cup and used detection magic on it, but the music from the cup disrupted his focus as Lucky's Golden Chains pulled him into another world.
• At the Holy Grail Palace, Lucky forced Roswaal to his knees, took his Book of Gospel, and discovered that most of its pages were blank.

Lucky and Mulu tested how Natsuki Subaru’s time-reversal ability worked when Roswaal was absent from his world. After Subaru died and returned to the previous point in time, another Roswaal appeared, while the world’s power targeted Mulu, the Mark Cup, and Lucky.

• Lucky questioned Roswaal about whether Subaru’s time reversal would restore a missing person or create another version of them.
• Mulu offered to protect and revive Subaru if his ability failed, and Subaru decided to risk death to save the village.
• Mulu brought Beatrice to witness Subaru’s death and placed her Memory Orb in the Mark Cup before killing him.
• Subaru returned to the earlier point in time, while Mulu’s memories remained intact and Subaru began planning how to warn the others about the curse and Magical Beasts.
• A new Roswaal appeared as the world corrected the missing person, and an unknown force targeted Mulu and the Mark Cup.
• Lucky tried to return the original Roswaal to his world, but he was rejected because he carried another world’s mark.

Roswaal accepted Lucky’s help to gain a new body and return to the world that had rejected him, hoping to continue pursuing Echidna’s revival. After Roswaal arrived near his estate and chose to head for the Royal Capital, the story shifted to Biscuit, who witnessed something astonishing while shopping for magazines.

• Roswaal agreed to transfer his soul into a new body, and Lucky used the Holy Grail System’s knowledge to create one.
• Roswaal took the Book of Gospel from his corpse, and Lucky assured him that power from another world would protect the memento from time reversal.
• Lucky used the Dragon Vein to send Roswaal back despite the world’s resistance, then had Mulu keep his identity secret and sent the corpse for research.
• Roswaal decided not to return to the manor estate and headed for the Royal Capital to adjust to his weaker body and consider his next move.
• Biscuit, concerned that Gon Freecss and Killua had too little time to prepare, went to buy magazines and witnessed a scene that dumbfounded her.

Lucky brought Netero to the parallel world, where Netero sought out Meruem, his chosen opponent. Netero and Biscuit clashed after she mistook him for an impostor, and he asked Lucky to prepare a place for him.

• Netero discovered Lucky could cross into a parallel world and insisted on accompanying him to face Meruem.
• Netero met Biscuit while she was training Gon and Killua, and she doubted that he was really her master.
• Biscuit attacked Netero, but he sent her crashing into a house with the Hundred-Type Guanyin.
• Biscuit recognized Netero after seeing his ability, and he called to Lucky to prepare a place for him.