Arc 18Moonbound Experiments

Lin Nai and the others traveled to the moon to investigate the Cocoon of Finality, but Mei’s tests could not reveal the examination hall. As Mei prepared new research with Vill-V and Mobius, Lin Nai became the target of competing schemes from the women around him.

  • Kallen and Yae Sakura finished Schicksal’s idol competition, where Durandal won and postponed her wish until after the moon trip.
  • Lin Nai, Kiana, Bronya, Theresa, and the others traveled aboard the Hyperion, then met Mei at the lunar base and learned that the Cocoon of Finality might hold the source of Finality’s power.
  • Mei tried to reveal the examination site by having the Herrschers release their energy, but the test failed, so she planned a diffuser and converter with Vill-V’s help.
  • Durandal and Little Shix put Kiana and the others through harsh training while Lin Nai returned to Schicksal to retrieve the Gem of Plague and Gem of Serenity for Mei’s experiments.
  • Kiana and the other Herrschers tested their powers against Kevin, but Mei found no resonance between their cores and the two gems.
  • Seele and Black Seele competed to get closer to Lin Nai, while Mei joined Lin Nai and the two Seele personalities in an intimate gathering that left Mei tied up afterward.
  • Vill-V, Mobius, Elysia, Sakura, and Ling arrived in space, and Vill-V teleported Lin Nai onto their spacecraft before Mobius took him away during the ensuing chaos.
  • Mei assigned Vill-V to build a Honkai energy converter and Mobius to study Herrscher evolution, while Kiana, Bronya, Wendy, and Black Seele plotted to get Lin Nai back.
Chapters 426–450 Vol. 5 Read

Ch. 426One cup to whet your appetite, two to perk you up!

Otto escaped after detonating a bomb that launched him away from Welt and Siegfried, and Lin Nai rescued Ai-chan from a long fall. Kallen and Yae Sakura then interviewed Ai-chan’s friends, while Theresa tried to sell them bitter energy drinks.

  • Otto woke up and detonated a bomb, but Lin Nai shielded Welt, Siegfried, and Otto from harm as Otto blasted himself into the sky to escape.
  • Lin Nai found Ai-chan still falling because Kiana had forgotten to close the portal, and he rescued her.
  • Kallen and Yae Sakura began a live interview segment and visited Theresa’s energy drink stall, where Theresa persuaded them to buy three cups.
  • Kallen drank the bitter green drink to support Theresa, while Yae Sakura looked uneasy about the sale.
  • Kallen interviewed Ai-chan’s friends, who described her as a slacker, an electricity thief, and a good person whose cabbages were popular at St. Freya Academy.

Ch. 427Danger: Tesla: Danger / Linnaeus the Grunt

Kallen interviewed Einstein about Tesla, who was away competing in an idol contest, and learned that Einstein hoped Tesla would win and become an idol. The interview ended with Tesla discovering that Einstein had given her bitter melon juice, leaving her furious off-camera.

  • Theresa gave Kallen ten oversized cups of bitter melon juice as a surprise, and Kallen later passed the drinks to Otto and Einstein.
  • Kallen interviewed Einstein, who described Tesla as a passionate scientist with poor emotional intelligence and said the laboratory had been more productive while Tesla was away.
  • Einstein explained that Tesla winning could make her an idol, increase Anti-Entropy's funding, and improve life in the laboratory.
  • Tesla arrived thirsty, and Einstein handed her the remaining bitter melon juice while Kallen and Yae Sakura left with Einstein.
  • Tesla tasted the bitter melon juice and erupted into censored curses after Kallen and Yae Sakura were out of earshot.

Ch. 428Siegfried: Rebel! Treacherous Villain! Evil Scoundrel!

Kallen and Yae Sakura interviewed people connected to the idol contestants, including Lin Nai, who described Tesla and Durandal before leaving to deliver supplies. Otto later gave the camera unflattering opinions of Siegfried and Welt, leaving Siegfried’s rumored misconduct and Otto’s long-running feud with Welt as the focus.

  • Kallen asked Lin Nai to describe the contestants, and he praised Tesla’s enthusiasm while warning about her temper and cooking.
  • Lin Nai described Durandal as straightforward and kind, then left to deliver supplies as Rita took over the interview.
  • Rita praised Durandal’s character and mentioned her fondness for cats and football before Durandal arrived and joined them.
  • Kallen and Yae Sakura interviewed people connected to the remaining contestants, including Cecilia and members of Siegfried and Welt’s circles.
  • Otto called Siegfried a brute and Welt an idiot, then hinted at a rumor that Siegfried had touched every Valkyrie’s buttocks.
  • Otto described Welt as petty and said Welt had opposed him for decades over an old clash.

Ch. 429Otto: “What a thrilling match!”

Otto’s remarks about Siegfried and Welt led to a fight that Schicksal covered up as a gas explosion, while Kallen interviewed Xiao Kong at the idol competition venue. A few days later, the competition ended, and Kiana remained jealous of Bronya’s closeness with Lin Nai.

  • Otto insisted he remained devoted to Kallen, then Siegfried and Welt broke into his office and attacked him, prompting Schicksal to announce a gas explosion.
  • Kallen interviewed Xiao Kong, who explained that Lin Nai had brought her to watch Raven and that Stan was protecting her.
  • Xiao Kong said she had secretly come to buy cheering balloons for Raven, and Kallen and Yae Sakura helped her carry them.
  • Schicksal’s first idol competition officially ended a few days later.
  • Kiana watched Bronya closely and complained about her taking Lin Nai away, while Seele and Black Seele sat dejectedly nearby.

Ch. 430Theresa: “We’re doomed!”

Seele and Black Seele lamented their lack of chances to approach Lin Nai, while the Destiny Idol Contest reached its final day and contestants addressed the audience before the vote tally. The chapter left Tesla confused when the hosts thanked her for donating money to cover the floor she had smashed.

  • Seele asked Black Seele for ideas to get closer to Lin Nai, but Black Seele suggested only a nighttime sneak attack and noted that Mei Raiden had made no progress.
  • Little Shix sold snacks while Fu Hua watched her, and Kallen and Yae Sakura hosted the contest’s final day as Theresa worked overtime.
  • Raven told the audience she had joined the contest for a mission but would give it her all for the children supporting her.
  • Otto, Siegfried, and Welt discussed the competition, with Otto wearing a female body again and Siegfried and Welt privately vowing not to compete in another Otto-run event.
  • Tesla confidently predicted victory before Kallen and Yae Sakura thanked her for donating extra funds to cover the floor she had smashed; Tesla said she knew nothing about it.

Ch. 431Theresa: “I’m the Overseer of Schicksal!”

Durandal won the Schicksal Idol Competition, while Tesla discovered Einstein had paid the production bill with her credit card. A week later, Lin Nai and the others prepared to fly to the moon, with Theresa joining the mission and leaving Otto to handle her work.

  • Tesla learned that Einstein had used her credit card to pay the competition bill, then angrily resumed her idol act and vowed to win.
  • Kallen and Yae Sakura announced that Durandal had received the most votes and won the Schicksal Idol Competition.
  • Durandal postponed making her wish until after the trip to the moon, leaving Lin Nai with a vague sense of unease.
  • At Schicksal's airfield, Durandal left Rita in charge of the Blade of Immortality Squad and Stan, and told Rita to intensify the squad's training.
  • Theresa insisted on joining the moon mission as Kiana's aunt, leaving Otto to face the backlog of work.
  • Cecilia told Kiana to listen to Lin Nai on the moon and reminded her to be careful.

Ch. 432Theresa Doesn’t Know~

Lin Nai and the others left for the moon aboard the Hyperion, while Welt, Tesla, and Einstein stayed behind. The ship set course for a five-day journey, and Theresa reported that the trip was going smoothly to the command center.

  • Welt, Tesla, and Einstein declined to join the moon expedition, so Lin Nai and the others boarded the Hyperion without them.
  • Ai-chan launched the Hyperion from Schicksal's landing platform and announced that the ship had entered space.
  • Kiana found Lin Nai resting with Bronya after the two had kept him awake, then challenged Bronya to an online game while he slept.
  • Theresa learned from Ai-chan that five days remained until the Hyperion reached the moon.
  • Theresa updated Otto, Kallen, Himeko, Tesla, and Einstein, assuring them that the gravity simulation system worked and the journey was proceeding smoothly.

Ch. 433Seele: “Could it be that you betrayed us?!”

Theresa began preparing the Hyperion crew for a lunar trip by organizing drills for the ship’s upgraded systems and space combat. Lin Nai gave Black Seele a device that let her use Previous Civilization Herrscher powers, and her impulsive kiss left Seele and Wendy reacting with jealousy and interest.

  • Theresa promised Otto that he and Kallen could use the Hyperion for a vacation if he finished his work before she returned from the moon.
  • Theresa and Einstein arranged drills to test the Hyperion’s deep-space cruise and automated combat systems and to train the crew for space combat.
  • Kiana, Mei Raiden, Thunder Queen, Bronya, Wendy, Seele, Black Seele, Fu Hua, Little Shix, and Lin Nai gathered on the Hyperion’s deck for the exercises.
  • Seele borrowed Herrscher powers with her device, leaving Black Seele as the only one without Herrscher abilities.
  • Lin Nai gave Black Seele a compressed device that let her use one Previous Civilization Herrscher power at a time, and she selected the Herrscher of Death card.
  • Black Seele kissed Lin Nai, making Seele lament that her other self had acted without her, while Wendy considered trying to approach him too.

Ch. 434Linnaeus: “Fall back, fall back! Retreat now!!”

As the Hyperion prepared to travel to the moon, Lin Nai received a call from Kevin, who was trapped with Dr. Mei and her cooking. Dr. Mei invited Lin Nai to try her new dishes, leaving him silently wondering whether he could refuse.

  • Theresa began lunar-environment drills while Lin Nai relaxed and chatted with the residents of Elysia's Realm.
  • Ai-chan detected an unknown signal joining the Hyperion's communications, and Lin Nai ordered her to put it through.
  • Kevin appeared on the call and said he might die because Dr. Mei had cooked.
  • Lin Nai panicked and ordered the Hyperion to retreat, but then admitted he had been joking and called Kevin his brother in arms.
  • Dr. Mei greeted Lin Nai and invited him to taste her new dishes, explaining that she had studied cooking in a World Bubble.

Ch. 435No Escaping This Fate

Mei welcomed Fu Hua and the Hyperion’s crew to the lunar base, while Lin Nai and Kevin avoided her cooking by fighting and eating instant noodles. The next day, Kiana panicked over a robot resembling Bronya, and Lin Nai recognized it as Prometheus No. 17, who greeted her as one of her Creators.

  • Mei greeted Fu Hua and the others at the lunar base, and Fu Hua introduced Little Shix and the rest of the crew.
  • Mei offered to arrange rooms and serve food, while Theresa learned that Mei’s cooking was intended for Lin Nai and Kevin.
  • Lin Nai and Kevin fought through the day and secretly ate instant noodles to avoid Mei’s cooking.
  • Kiana rushed to Lin Nai, claiming Bronya had turned into a robot, but Bronya appeared beside them and denied it.
  • A Bronya-like robot appeared and identified itself as Prometheus No. 17, then addressed Lin Nai as one of its Creators.

Ch. 436Mei: I’m Not Exactly a Demon, Either

Mei explained that the Cocoon of Finality was hidden on the moon and that Lin Nai would be tasked with obtaining its power. The group still needed to find a way to see and enter the Cocoon, which existed in another space.

  • Lin Nai and Kevin tried to avoid Mei’s cooking, but Mei made them eat breakfast, leaving both of them drained.
  • Mei told Lin Nai, Kiana, and Bronya that the Cocoon of Finality on the moon was likely the source of Finality’s power.
  • Mei showed the group blurry satellite footage of a purple silhouette that appeared as the Previous Civilization’s Herrscher of Finality dissipated.
  • Mei explained that she learned about the Cocoon of Finality from a World Bubble in the Sea of Quantum and could not locate or enter it.
  • Mei said Lin Nai would be the one to obtain the power of Finality because he was the strongest among them.

Ch. 437Kiana Let Out a Scream

Mei explained that the Herrschers’ powers might help locate the Cocoon of Finality, so she restarted an experiment on the moon. The experiment left Kiana unable to join Lin Nai and Bronya, while Mei schemed to get Lin Nai alone that night.

  • Mei said the Herrschers’ powers were keys to finding the examination room, but she and Lin Nai did not know its location.
  • Lin Nai hurriedly left with Kiana and Bronya to avoid lunch, while Kevin failed to escape Mei.
  • Mei brought the group to a lunar site and asked the Herrschers with cores to release their energy for an experiment.
  • Mei explained that Seele and Black Seele lacked cores and that Lin Nai’s core belonged to a different system, so neither could participate.
  • Bronya joined Lin Nai, leaving Kiana to help Mei with the experiment.
  • Mei decided to deliver medicine to Lin Nai that night and planned to keep everyone else away.

Ch. 438Mei Tries to Watch the Chaos Unfold

Mei and Lin Nai tested whether the Herrschers could produce enough Honkai energy to reveal the examination site, but their output fell short of the level needed. Mei planned to build energy-amplifying and conversion devices, while she secretly looked forward to the chaos that might follow her invitations to Vill-V and Mobius.

  • Mei sent Theresa to join Bronya on Lin Nai’s side, leaving Kiana without them for the test.
  • Mei ordered the remaining Herrschers to transform and raise their Honkai energy output, but the examination site did not appear.
  • Lin Nai explained that their energy was far below Finality’s level, and Mei told the Herrschers to stop.
  • Mei decided to build a Honkai energy diffuser and converter, and said Vill-V was on her way to help.
  • The group returned to the lunar base, where Mei began her research and Kevin took responsibility for cooking her meals.

Ch. 439Kiana: Big Sis Is Grinning Sinisterly!

While the group waited on the moon for Vill-V, Durandal put Kiana, Bronya, and Mei through exhausting training without Honkai energy. At lunch, Little Shix criticized St. Freya Academy's training, and Theresa explained why she had founded it.

  • Lin Nai told Theresa that the group would stay on the moon for at least a few more weeks while Vill-V traveled there.
  • Theresa learned that Durandal had stayed behind at the lunar base to train, and Lin Nai assigned Durandal to give Kiana and the others extra training.
  • Durandal made Kiana, Bronya, and Mei run twenty laps around the lunar base without using Honkai energy, while Wendy collapsed after a few meters and went to the infirmary.
  • At lunch, Kiana complained to Lin Nai about the punishing workout, and Durandal said she had used the Blade of Immortality's training methods.
  • Little Shix criticized St. Freya Academy's low training intensity, and Theresa defended its goal of teaching Valkyries to live as people rather than become cold, cruel machines.

Ch. 440Little Kiana’s Jeep Training

Little Shix copied Lin Nai’s old training methods and chased Kiana across the moon in a Great Void Sword Energy-powered jeep. Kiana was left pleading for rescue as Lin Nai chatted with Durandal nearby.

  • Little Shix offered to train Kiana and recalled how Lin Nai had once trained Kevin by ramming him with a truck.
  • The next day, Little Shix chased Kiana across the moon in a jeep while forbidding her from using portals.
  • Bronya and Mei slipped away, Seele and Black Seele left for breakfast, and Fu Hua stayed behind to watch.
  • Kiana accused Little Shix of taking revenge and called out for Durandal as the jeep charged at her again.
  • Durandal sneezed while talking with Lin Nai, who explained that he had gotten up early after Theresa slept on him.

Ch. 441Otto: Humanity Has Its Limits!

Lin Nai wondered whether Herrscher Cores could evolve and decided to test the idea using Schicksal’s remaining Gems. He flew from the moon to Schicksal at light speed, where his landing wrecked the landing pad and sent him crashing into Otto’s office door.

  • Lin Nai watched Kiana endure Durandal’s jeep training and learned that Bronya and the others had returned early.
  • Lin Nai asked Kevin whether Herrscher Cores could evolve, then recalled how the Herrscher of Ice and Herrscher of Stars had fused into the Herrscher of Rimestar.
  • Lin Nai decided to return to Schicksal and ask Otto for the Gem of Plague and Gem of Serenity for an experiment.
  • Kevin told Mei that Lin Nai had transformed into a ball of light and flown away, and Mei agreed that Herrscher evolution was worth discussing with Mobius.
  • Lin Nai flew to Schicksal at light speed, smashed into the landing pad, and then crashed into Otto’s office door.

Ch. 442Mobius Is on Her Way

Lin Nai retrieved the Gem of Plague and the Gem of Serenity from Nagamitsu's laboratory and brought them to the moon to investigate whether they could resonate with the current Herrschers. Mei suggested waiting for Mobius to arrive before beginning the experiments.

  • Lin Nai told Otto he would need a few weeks to two months to finish his mission and collected the two gems from Nagamitsu's laboratory.
  • Lin Nai returned to the moon and asked Kevin to serve as a target for his resonance experiments, tempting him with instant noodles.
  • Kevin negotiated over the instant noodles and considered recruiting Su to serve as another target.
  • Lin Nai took the Gem of Plague and the Gem of Serenity to Mei's laboratory so she could test their compatibility with Herrscher cores.
  • Mei suggested waiting for Dr. Mobius to arrive, and Lin Nai was surprised that Mobius was coming too.

Ch. 443Kiana: Sirin, You Wouldn’t Want…

Lin Nai arranged for Mei to handle his experiment documents, then Mei and the others tested Kiana’s Herrscher abilities by having her attack Kevin. The test revealed that Kiana relied on her weapons and barely knew how to use the Authority of the Void Archon, so Lin Nai began demonstrating Herrscher powers.

  • Mei teased Lin Nai about Mobius and Vill-V before he left her a huge pile of experiment documents and went to find Seele.
  • Mei built a machine from Lin Nai’s documents to measure Herrscher energy fluctuations, and Kiana prepared to attack Kevin at full strength.
  • Kiana struck Kevin with the Flame Lance in its Limit Break state, pushing him back more than ten meters and making his hand sore.
  • Kevin explained that the test was meant to measure Herrscher power rather than Kiana’s full combat strength, and said the Previous Civilization had little data on the Herrscher of the Void.
  • Kiana admitted that she mostly used the Void Archon’s Authority to make portals, so Lin Nai demonstrated constructing and dismissing weapons while Kiana explained her limited control.

Ch. 444Kevin: My Body Is Already Totally Worn Out!

Kiana brought Sirin to the moon to learn the Herrscher of the Void’s abilities while Kevin tested the current era’s Herrschers. After surviving their overwhelming attacks, Kevin faced Mei’s lightning strike as Seele considered combining thunder and flame.

  • Kiana and Lin Nai realized they could not remember the Herrscher of the Void’s abilities, so Kiana summoned Sirin to ask her.
  • Sirin initially refused to teach Kiana, but Kiana persuaded her by threatening to tell Cecilia about Sirin’s swearing.
  • Kevin tested Bronya and was battered by her constructed Divine Keys, including a Star of Eden attack that Lin Nai interrupted.
  • Mei struck Kevin with a pillar of crimson lightning, and Kiana applauded while Sirin tried to keep her focused on the lesson.
  • Seele considered combining the Herrscher of Thunder’s authority with the Herrscher of Flame’s authority to create a mixed attack.

Ch. 445Black Seele: Today! My Heart Aches!!

After Mei's tests showed no resonance, Lin Nai anticipated Dr. Mobius's arrival and was dragged away by Kiana and Bronya. Seele hesitated to join them, so Black Seele went to Lin Nai's room alone and knocked on the door.

  • Mei finished testing the Herrschers and found no resonance, then told Lin Nai that Dr. Mobius and the others would probably arrive the next day.
  • Kiana and Bronya dragged Lin Nai away, while Mei blushed and delayed joining them and Thunder Queen decided to wait for her chance.
  • Seele and Black Seele planned to enter Lin Nai's room, but Seele grew hesitant about forcing her way in.
  • Black Seele sent Seele away, then went alone to Lin Nai's room and knocked.
  • Lin Nai opened the door.

Ch. 446Black Seele: Are You Trying to Outsmart Me?

Black Seele and Seele each disguised themselves as the other to visit Lin Nai, but their plans collided when Seele arrived while Black Seele was hiding in the wardrobe. Mei then knocked at the door, prompting Seele to hide beside Black Seele.

  • Lin Nai recognized Black Seele beneath her disguise and invited her inside after explaining that Kiana had left with Sirin and Bronya was helping Tesla remotely.
  • Black Seele pinned Lin Nai to the sofa, but Seele knocked at the door before she could kiss him.
  • Seele arrived dressed as Black Seele, admitted she hoped to take things further with Lin Nai, and hid in the wardrobe when Black Seele was discovered inside.
  • Mei called to Lin Nai from outside, and Seele hurried back into the wardrobe.

Ch. 447Mei: Did I Forget Something?

Mei visited Lin Nai and made her move, while Seele and Black Seele watched from hiding and debated joining them. Meanwhile, Vill-V, Mobius, Elysia, Sakura, and Ling traveled through space toward the moon, and Little Shix noticed a hawthorn-flower scent on Lin Nai.

  • Mei arrived at Lin Nai's room and, encouraged by Kiana and Bronya, decided to form a Current Civilization Alliance with them.
  • Seele found Black Seele hiding in her clothes, and the two argued over who had made the first move.
  • Seele told Black Seele that Bronya had returned to her room to handle documents, then they watched Lin Nai and Mei together and considered joining them.
  • Vill-V worked on an Anti-Lin Nai Armament while Elysia questioned her plans.
  • Vill-V, Mobius, Elysia, Sakura, and Ling traveled through space, with Sakura bringing Ling's homework along.
  • Little Shix found Lin Nai in the dining room and asked why he smelled like hawthorn flowers.

Ch. 448Mei: What Are You Talking About? We’re Like Sisters!

Lin Nai and Little Shix discussed the others’ whereabouts while Mei woke up after spending the night with Seele and Black Seele. Mei realized she had forgotten to call Thunder Queen, whose reaction suggested she would not take the omission lightly.

  • Little Shix sensed that Seele and Mei had been together, then asked Lin Nai when her own turn would come.
  • Lin Nai and Little Shix discussed Kiana’s Herrscher training, Bronya’s paperwork, and Mobius and the others arriving that day.
  • Mei woke up with her hands tied and remembered that her game with Lin Nai had turned into a party with Seele and Black Seele.
  • Mei learned that Seele and Black Seele had dressed in each other’s clothes as part of their plan to get ahead of each other.
  • Mei realized she had forgotten to call Thunder Queen and tried to reassure herself that they were like sisters.

Ch. 449Mei: What Are You Talking About? We’re Like Sisters! (Part 2)

Mei and Thunder Queen agreed to work together to pursue Lin Nai, but the arrival of the Previous Civilization’s group delayed their plans. On the lunar spacecraft, Vill-V captured Lin Nai, only for Elysia and Sakura to confront her and Ling to fail in an attempt to rescue him.

  • Thunder Queen confronted Mei about making a move on Lin Nai, and Mei persuaded her to team up instead.
  • Mei pointed out that the Previous Civilization’s spacecraft had arrived, postponing their plans to pursue Lin Nai.
  • Vill-V used a gadget based on the Herrscher of the Void’s core to teleport Lin Nai to a secluded corner of the spacecraft and tie him up.
  • Elysia and Sakura entered armed and demanded that Vill-V hand Lin Nai over.
  • Ling tried to carry Lin Nai away, but Sakura told her to put him down, and Ling fled.

Ch. 450Wendy: It Hurts! It Hurts So Much!

At the Moon Base, Mei assigned the group tasks to prepare for the Cocoon of Finality, while Elysia and Sakura eyed Lin Nai after being told they could do as they pleased. Meanwhile, Kiana and the others began plotting to take Lin Nai back from the Previous Civilization.

  • Smoke from Mobius’s escape device appeared beneath Lin Nai’s chair, and Mobius took him away during the chaos.
  • After Mobius had her fill, Mei explained that they needed to strengthen Kiana and the others and convert Lin Nai and Bronya’s Honkai energy because they could not yet find the examination hall.
  • Mei assigned Vill-V to build a device that could spread and convert Honkai energy, and asked Mobius to research how Herrschers could evolve.
  • Mei told Elysia and Sakura they were free to do as they pleased, and they turned their attention toward Lin Nai.
  • Kiana, Bronya, Wendy, and Black Seele plotted to get Lin Nai back, while Theresa questioned whether a rescue was necessary.
Arc 18 of 21