Chapter Summaries

Zenitsu Agatsuma killed his former senior disciple Kaigaku, while Tamayo and Little Star prevented Muzan Kibutsuji from escaping. Muzan created a giant infant decoy, and Ye Chen led Little Star to track him using the Paintballs.

• Zenitsu Agatsuma confronted Kaigaku after the other Demon Slayers went to block Muzan's escape routes.
• Zenitsu Agatsuma used his self-created Seventh Form to behead Kaigaku, who died cursing their former teacher.
• Muzan Kibutsuji tried to split apart and flee, but Tamayo shot him with medicine and Little Star struck him with a lance-like wing.
• Muzan transformed into a giant infant, but Little Star smashed the form apart and Tamayo realized it was a decoy.
• Ye Chen arrived and told Little Star to follow him and track Muzan using the Paintballs they had thrown earlier.

Ye Chen pursued Muzan with Little Star and repeatedly exposed him to the rising sun by cutting through the building where he hid. Muzan used Gyokko and a Proliferation Potion on Nezuko’s blood to overcome the sunlight, then emerged claiming he had become a perfect being.

• Tamayo gave Ye Chen two items, and he used a Paintball to track Muzan as he chased him with Little Star.
• Ye Chen and Little Star attacked Muzan, driving him toward shelter as dawn arrived and the sunlight burned him.
• Ye Chen repeatedly cut through the building’s walls to expose Muzan to sunlight whenever he tried to hide.
• Muzan ordered Gyokko to distract Ye Chen, then noticed Nezuko’s blood on Gyokko and absorbed him.
• Muzan used the remaining Proliferation Potion to multiply Nezuko’s blood, endured the sunlight, and declared himself a perfect being.

Muzan overcame his weakness to sunlight and regained his strength, but Ye Chen fought back with two Long Swords, including one coated with Seastone. Ye Chen entered valor state and repeatedly countered Muzan’s attacks, leaving their battle ongoing.

• Muzan basked in sunlight, declared himself the Demon King, and felt his old wounds healing as his strength returned.
• Ye Chen drew the Rathalos Long Sword, switched to valor mode, and attacked Muzan alongside Little Star.
• Ye Chen used Seastone-coated blades to weaken Muzan and drain his blood, forcing Muzan to retreat.
• Muzan tried to block Ye Chen with a giant infant and then attacked him with a spray of blood.
• Ye Chen used Strong Spirit Blade Slash repeatedly to erase Muzan’s attacks before resuming his assault with Bloodwind Gyroscope.

Ye Chen repeatedly overwhelmed Muzan with Strong Spirit Blade Slash and Demon Dance, then pinned and captured him instead of killing him. He decided to gather the demons that night and publicly announce himself as their new boss.

• Ye Chen and Little Star battered Muzan, canceling his attacks and pursuing him whenever he tried to escape.
• Ye Chen pinned Muzan with a seastone Long Sword, and Muzan begged for his life and offered to make Ye Chen the ruler of all demons.
• Ye Chen asked the system whether Muzan's death would count toward his quest to kill ten thousand demons, and the system said it would not.
• Ye Chen stopped draining Muzan with Netherworld Fire, restrained him with Tamayo's handcuffs, and removed the sword without letting him escape.
• Ye Chen accepted Muzan's offer to become the demons' new boss but insisted on announcing it himself at a gathering that night.

Ye Chen brought the captured Muzan to Demon Slayer Corps Headquarters and persuaded the Hashira to postpone his execution until the next day. He then let them do whatever they wanted to Muzan, leaving the Demon King horrified by their proposed methods of torture.

• Ye Chen took Muzan, bound in seastone cuffs, to Demon Slayer Corps Headquarters and told the Hashira that Muzan had conquered sunlight.
• Sanemi Shinazugawa, Shinobu Kocho, Tengen Uzui, Kyojuro Rengoku, Gyomei Himejima, and Tamayo proposed ways to kill or torment Muzan, frightening him.
• Ye Chen claimed he wanted to execute Muzan himself the next day, and Kagaya Ubuyashiki agreed to postpone the execution.
• Ye Chen thanked the Hashira and offered them Muzan to do whatever they wanted with, shocking Muzan as they resumed suggesting ways to torture him.

Ye Chen tested his Curse-Removing Hand on the Demon Slayers with marks, then stopped their torture of Muzan for the night. He brought Muzan before thousands of demons to announce himself as their new boss, but when they refused to obey, Ye Chen prepared to kill them.

• Ye Chen touched Gyomei Himejima's demon slayer mark and removed its curse, then did the same for Giyu Tomioka, Sanemi Shinazugawa, Obanai Iguro, Kyojuro Rengoku, Muichiro Tokito, and the Three Little Ones.
• Ye Chen asked to touch Mitsuri Kanroji's and Shinobu Kocho's marks, but learned neither had awakened one.
• Ye Chen returned after dinner and ended the Demon Slayers' torture of Muzan, then had Redhelm carry him away.
• Ye Chen brought Muzan to a mountain gathering of thousands of demons and declared himself their new boss, but the demons mocked and challenged him.
• Ye Chen ordered Muzan to immobilize the demons, created three Shadow Clones, and aimed Light Bowguns at the disobedient crowd.

Ye Chen slaughtered thousands of demons while Muzan kept them immobilized, then used his upgraded physique to kill Muzan before the Demon Slayer Corps. With Muzan dead, demons vanished and the Corps disbanded, though some members stayed to protect Kagaya Ubuyashiki’s family.

• Ye Chen and his clones killed the demons and completed missions that earned him the Demon Slayer Asura title, a mystery gift pack, and 75,815 Exchange Points.
• Ye Chen opened the gift pack, received a physique evolution opportunity, Fatalis Assimilation Fluid, and planar travel opportunity, then evolved his physique into Arch-tempered Safi'jiiva.
• Ye Chen brought Muzan before the Demon Slayer Corps the next day and killed him with Netherworld Fire, earning Exchange Points and completing the mission to kill Muzan Kibutsuji.
• Muzan’s death caused every demon to vanish, lifted the curse on Kagaya Ubuyashiki’s family, and led the Demon Slayer Corps to disband.
• Two months later, Kagaya Ubuyashiki distributed money to the Corps members, while some chose to remain and protect his family and descendants.

Two months later, Ye Chen prepared to leave the Demon Slayer world after reaching S rank, and said goodbye to his friends. He used his Plane Travel Opportunity and vanished toward a new world.

• Ye Chen took Fatalis Assimilation Fluid and grew stronger after absorbing Muzan's blood, reaching S rank.
• Ye Chen told Makomo, Sakonji Urokodaki, and Giyu Tomioka that he planned to leave and seek new experiences.
• Shinobu Kocho and the Three Little Ones arrived to see Ye Chen off, and he exchanged farewells with them.
• Ye Chen rode Little Star into the sky and used his Plane Travel Opportunity to travel to another world.

Ye Chen arrived in the world of Fate/Zero and was summoned by Sakura Matou as she faced Zouken Matou’s worm pit. He rescued Sakura and asked whether she was his Master.

• Ye Chen’s system matched him with the world of Fate/Zero and assigned him an identity.
• The chapter explained how Sakura Tohsaka was adopted by the Matou family so she could inherit its Magic Crest.
• Zouken Matou ordered the frightened Sakura Matou to enter the worm pit and used his cane to force her when she refused.
• Sakura cried out, and a summoning circle appeared beneath her as a red pattern formed on her hand.
• Ye Chen appeared, tucked Sakura under his arm, and asked her if she was his damn Master.