Chapter Summaries

William approached Number Twelve’s Ice Coffin and learned that a gentle spirit inside her was suppressing the dangerous Primordial Soul. He offered the spirit a deal, leaving its response unresolved.

• La Folia demanded that Xiaoyacheng and Liana hand over Number Twelve, and Xiaoyacheng agreed to withdraw while Liana refused.
• La Folia rebuffed Liana’s objections, and Liana stepped aside but stayed to watch.
• William asked Nangong Natsuki to remove Nagisa and Akatsuki Kojo before Number Twelve awakened, and Natsuki teleported them away.
• William learned that the gentle spirit inside Number Twelve had kept the capricious Primordial Soul from awakening.
• William offered the gentle spirit a chance to follow him and have its sinful soul cleansed.

William awakened Number Twelve and killed the Primogenitor within her using a weapon that targeted souls. He began connecting Number Twelve to the Book of Worlds, leaving her wrapped in a warm sensation as the process started.

• Number Twelve's Ice Coffin melted as she heard William's promise and opened her eyes.
• William put the weakened girl back to sleep, and the Primogenitor awakened in her body with Pale Ice of the Enchantress.
• The Primogenitor attacked William with her familiar, but his knife struck her soul and made the familiar vanish.
• William explained that his weapon had targeted the Primogenitor's soul and said he had killed her to save Number Twelve.
• William touched Number Twelve's forehead, and the Book of Worlds linked them with threads of spiritual energy.

William demonstrated that Pale Ice of the Enchantress had been transformed and could take human form, surprising the gathered Spirit Hub of the Fairies members. The transformed girl remained asleep, and Liana named her Aurora Florestina.

• William told Liana he had a question for someone from the Karlyana family and promised to give her what she wanted afterward.
• At a meeting on Gozo Island, William summoned Pale Ice of the Enchantress to prove his account was true.
• William asked Pale Ice of the Enchantress to change forms, and she transformed into a sleeping girl.
• La Folia covered the girl's naked body with her coat while Nangong Natsuki questioned how she could take Vessel form.
• Akatsuki Kojo compared the sleeping girl to Sleeping Beauty, and Liana called her Aurora Florestina.

Aurora woke, learned her name, and agreed to leave William’s side with La Folia and Nagisa so she could begin living a normal life. After they left, Liana pledged the Karlyana family’s service to William.

• Aurora woke and clung to William, who told her that her name was Aurora Florestina.
• William asked La Folia and Nagisa Akatsuki to take Aurora to rest and prepare clothes for her.
• Aurora accepted that leaving William’s side was the first step toward a normal life and went with La Folia and Nagisa.
• William asked Liana Karlyana to serve him, and she pledged the Karlyana family’s loyalty.

William learned that the Lion King Agency would host the Feast of Blazing Light on Japan’s Island of Gen'ei, and he planned to contact the agency about the remaining Vessels. Nangong Natsuki reacted in alarm because she had sworn to guard the island and the Prison Barrier.

• William asked Liana whether all the Vessels had been born, and she said Aurora appeared to be the last one.
• Liana told William that the Lion King Agency would host the Feast of Blazing Light, and William decided to contact it.
• Liana offered to convey William’s intentions to the Lion King Agency, and he agreed to let her handle it.
• Liana revealed that the Feast would take place on the Island of Gen'ei, causing Nangong Natsuki to drop her fan in shock.
• Nangong Natsuki wondered whether the Lion King Agency had gone mad because she had become the Island of Gen'ei’s guardian.

William told the others that he planned to take Aurora to the Island of Gen'ei and wanted Nagisa to accompany her as a playmate. After the meeting, Nangong Natsuki regretted getting involved as the trip and its connection to the Feast of Blazing Light left her troubled.

• Liana suggested that the Lion King Agency had allowed the incident to happen where it could monitor it, and Nangong Natsuki grew furious at the agency.
• Xiaoyacheng asked why William had invited him, and William said he had taken a liking to his daughter, Nagisa.
• William clarified that he wanted Nagisa to be Aurora's playmate because she was a gifted medium, then said he would ask Nagisa herself and would take Aurora to the Island of Gen'ei.
• Nangong Natsuki realized William was going to the Island of Gen'ei for the Feast of Blazing Light and reacted with alarm.
• After the meeting, Nangong Natsuki sat in her room and regretted involving herself in the matter.

Nangong Natsuki realized William could protect Island of Gen'ei from the Feast of Blazing Light’s worst effects, though she resented his calculated offer. Meanwhile, the Lion King Agency learned that William would be the Elector for the No. 12 Vessel, and Ento agreed to meet him and judge his identity for herself.

• William told Nangong Natsuki that his endless spiritual power and fully materialized Star Beasts would prevent the vampire infections and memory loss associated with the Feast of Blazing Light.
• Nangong Natsuki admitted that William’s involvement was the best way to protect Island of Gen'ei, then went to sleep, annoyed that she could not refuse his calculated move.
• Kuraki Shirona told Kanon Kanze and Ento that Liana Karlyana had reported finding the final Vessel and that the Feast of Blazing Light would be held.
• Kuraki Shirona revealed that William, the Spirit King of Aldikia, would be the Elector for the No. 12 Vessel.
• Kanon Kanze questioned whether William was truly an elf and whether he could have defeated Duke Aldial in one strike, while Ento said she would have to meet him to find out.

William and Aurora visited Island of Gen'ei, where Nangong Natsuki relied on William to protect the sanctuary from the approaching Feast of Blazing Light. The chapter left them together on the island, with Aurora again forgetting that she was no longer a vampire.

• Kanon Kanze and Yuantangyuan agreed to notify the other Electors and have Yuantangyuan meet the Spirit King on Island of Gen'ei.
• William arrived at Island of Gen'ei, Japan's artificial Demon Sanctuary, with Nangong Natsuki and Aurora.
• Nangong Natsuki resented the Artificial Island Management Corporation for concealing the Feast of Blazing Light and making a deal with the Lion King Agency.
• William teased Nangong Natsuki by threatening to leave, but she held back because he was the only one who could protect the island.
• Aurora tried to drink William's blood, and William stopped her and reminded her that she was no longer a vampire.

William brought Aurora to Island of Gen'ei after Nagisa agreed to transfer there, and Nangong Natsuki joined them for a meal. The chapter left William sealing off their space in the restaurant, alarming Natsuki.

• Aurora asked when she could see Nagisa again, and William promised she could attend school with her after summer vacation.
• The Akatsuki family returned to the mainland to handle Nagisa's transfer, while Natsuki prepared for the Feast of Blazing Light and Liana gathered her former subordinates.
• After La Folia returned to Aldikia, William brought Aurora to Island of Gen'ei and let her drag him off in pursuit of ice cream.
• Natsuki treated William and Aurora to a meal at an upscale restaurant and teased Aurora about getting cavities, prompting Aurora to attack her and land headfirst on her seat.
• William served Aurora more food, then tapped the table to cast a barrier that separated their space from the restaurant, and Natsuki recognized the spell.

William questioned Nangong Natsuki about the Island of Gen'ei and revealed that he believed it was an altar for a living sacrifice, though she had not known its purpose. He decided to investigate the island and planned to make it his and Aurora's home, suspecting it was connected to the Holy Annihilation he sought.

• William asked Nangong Natsuki what the island's feng shui design was meant to accomplish.
• William told Nangong Natsuki that the island was an altar where every living creature would become an offering when it summoned a deity.
• Nangong Natsuki left to investigate and promised to give William an answer later.
• William took Aurora to buy a phone and planned to look for a house on the island.
• William told Aurora that he wanted them to have a home on the Island of Gen'ei because he suspected its secrets were connected to the Holy Annihilation.

William decided to settle on Island of Gen'ei and asked the Electors to meet on Azure Paradise before the Feast of Blazing Light. Yuantangyuan agreed to pass along his request, but William noticed she was hiding something and confronted her.

• Aurora delightedly embraced William when he promised to find them a home, then returned inside him as he prepared to meet someone.
• Yuantangyuan, an elf of the Lion King Agency, secretly followed William into an alley, where he appeared through a portal and invited her to sit.
• Yuantangyuan told William that Dimitrie Vatler, Iblisber Yagiz, Gada Kukulkan, and Balthasar Zaharias would arrive within a month for the Feast of Blazing Light.
• William asked Yuantangyuan to arrange a meeting with the other Electors on Azure Paradise before the Feast began, and she agreed.
• When Yuantangyuan questioned why he chose Azure Paradise, William accused her of lying after reading her expression, and she stood to apologize.

William negotiated with Yuantangyuan for Baltasar Zaharias’s location and revealed that he planned to gather the Electors on Azure Paradise and eliminate them. After Yuantangyuan refused his job offer and left, William sent a white orb into her that slightly increased her spiritual energy.

• Yuantangyuan agreed to provide Baltasar Zaharias’s location but warned that the Lion King Agency could not force him to come.
• William confirmed he planned to wipe out all the Electors on Azure Paradise and considered how Aurora could help him face the True Ancestors.
• William asked Yuantangyuan to leave the Lion King Agency and work for him, but she refused and started to leave.
• William sent a ball of white light into Yuantangyuan after she cut it apart, and it entered her body and slightly increased her spiritual energy.

William woke beside La Folia and hurried to hide the evidence of their night together before Aurora entered his room. After Aurora noticed a strange smell, William sent her away and got dressed for the day at Saikai Academy.

• William woke beside La Folia, who teased him about abandoning her after their night together.
• Aurora opened William's unlocked door and asked why he was still in bed, so he quickly hid the clothes scattered across the floor.
• Aurora noticed an awful smell, and William sent her to find Natsuki-chan while he got dressed.
• Aurora returned to ask about the smell, but William warned that he would send her to her room if she came in again without knocking.
• William got dressed, and the scene shifted to Saikai Academy in southern Itogami City.

William and Nangong Natsuki discussed the approaching Feast of Blazing Light and the danger of a True Ancestor joining the conflict. They arrived at Akagami Academy, where Aurora reunited with Nagisa.

• Nangong Natsuki told William that Duke Aldial had been spotted arriving on the island and that the Feast of Blazing Light would begin soon.
• William assured Nangong Natsuki that everything had been arranged, and she agreed to accompany him in two days.
• Aurora asked to help, and William reassured her.
• William, Nangong Natsuki, and Aurora arrived at Akagami Academy, where Aurora embraced Nagisa Akatsuki after more than a month apart.
• Nangong Natsuki led the students inside, and William entrusted them to her care.

William left Nangong Natsuki and went to Gen'ei Noodle Shop for breakfast, where Balthazar Zacharias confronted him with four masked girls and offered a deal. William agreed to talk elsewhere, leaving the outcome of their meeting unresolved.

• William asked Nangong Natsuki's driver to take him to Gen'ei Noodle Shop and then let the driver go home.
• William praised the ramen and told the shop owner he had to leave because a bug had come to bother him.
• William appeared beneath a tree outside and confronted Balthazar Zacharias and the four masked girls with him.
• Balthazar introduced himself and said he wanted to make a deal with William.
• William agreed to speak with Balthazar somewhere else.

William teleported Zaharias and his Hungui force to a beach, then killed the Hungui with a shock wave and freezing magic. Zaharias survived behind a crystal barrier, and William exposed him as a Blood Servant of the Fourth Progenitor before Zaharias approached to introduce himself again.

• William teleported Zaharias, the Hungui, and the massive tree to a beach.
• William blasted Zaharias's men away and froze the Hungui to death.
• Zaharias protected himself from the cold with a crystal barrier and praised William's power.
• William identified Zaharias as a vampire Blood Servant whose rib let him control the Golden Ram of the Divine Sheep.
• Zaharias raised his hands in surrender, walked toward William, and began to introduce himself again.

Balthazar Zaharias offered to trade wealth and weapons for William’s No. 12 Vessel, but William revealed he had only been toying with him. As Zaharias’s three masked girls summoned their Beast Vassals, William used “Absolute Zero,” leaving the battle-axe’s descent slowed but not stopped.

• Balthazar Zaharias offered William half his Magecraft weapons and fifty billion euros for the No. 12 Vessel.
• William mocked Zaharias and unleashed his spiritual energy, making Azure Paradise tremble.
• Zaharias realized William had never intended to make a deal.
• No. 2, No. 4, and No. 9 removed their masks and summoned their Beast Vassals.
• William invoked “Absolute Zero,” turning everything azure as the Battle-Axe Minotaur’s weapon continued descending slowly.

William killed Zacharias, restored No. 1, and ordered the Primogenitors of the Night to devote themselves to him. At Takagami Shrine, Ento told Kanon Kanze and Kuraki Shirona that the Spirit King had invited her and that his power seemed related to her own, leaving her unsure whether to accept.

• William reached Zacharias while time was slowed, tore out his rib, and froze him in an ice coffin.
• William placed the rib inside No. 1, then released the time effect and restored the frozen beach.
• No. 1 and the other Vessels stopped fighting after Zacharias died, and No. 9 asked what they should do.
• William told the Primogenitors of the Night to live for him and devote everything they had to him.
• At Takagami Shrine, Ento confirmed to Kanon Kanze and Kuraki Shirona that the Spirit King had invited her and possessed power on par with a True Ancestor.
• Ento said she sensed power in the Spirit King that shared her origin, but she remained uncertain about accepting his invitation.

Kuraki Shirona, Ento, and Kanon Kanze discussed William’s strength, personality, and unknown motives as a Candidate of the Fourth Progenitor. They decided Ento would be the best observer to approach him, though she protested that leaving would disrupt the Lion King Agency’s training.

• Ento described how William moved a conflict to an artificial island to protect ordinary people, and Kuraki Shirona and Kanon Kanze judged him unlike the thrill-seeking long-lived beings.
• Kuraki Shirona reviewed the Lion King Agency’s records on William but said they could not determine why he had become a Candidate.
• Kanon Kanze proposed assigning an observer to stay near William and learn his intentions.
• Ento and the others ruled out Yukina because she was only ten, then revealed that they wanted Ento herself to be the observer.
• Ento objected that leaving would harm the training program and affect her two new disciples, while Kanon Kanze began explaining why Ento was suitable.

Kuraki Shirona and Kanon Kanze convinced Yuantangyuan to send one of her trainees on a mission and have her train Kishiryu Yukina and Kozuki Sayaka for the Spirit King task. Yukina and Sayaka discussed Yuantangyuan’s punishing training over lunch before their master, in cat form, ordered them to the training ground.

• Kuraki Shirona proposed that Yuantangyuan take Kishiryu Yukina and Kozuki Sayaka on missions, then leave them to monitor the Spirit King so Yuantangyuan could return to the Forest of Takagami.
• Yuantangyuan questioned whether the Lion King Agency trusted her not to side with the Spirit King, and Kanon Kanze and Kuraki Shirona affirmed their faith in her purpose.
• Kozuki Sayaka told Kishiryu Yukina that Yuantangyuan had assigned extra training because of the strange clothes she had bought for them.
• Yukina and Sayaka ate in the school cafeteria and dreaded the revealing outfits Yuantangyuan used as punishment.
• Yuantangyuan, appearing as a black cat, ordered the two trainees to finish eating and meet her at the training ground.