Chapter Summaries

Lin Nai learned that the Honkai Divine Cult had imprisoned Raiden Ryoma after Jackal’s Honkai Serum helped fuel its creation, and he planned to destroy the cult. The chapter ended with the cult’s leader ordering its Saintess to kill Raiden Ryoma.

• Lin Nai questioned Gray Snake about Raiden Ryoma’s imprisonment and learned that the Honkai Divine Cult was responsible.
• Gray Snake explained that Jackal had supplied companies with Honkai Serum for testing, helping the cult grow and leading to Raiden Ryoma’s capture.
• Lin Nai decided to wipe out the Honkai Divine Cult, and Gray Snake said Raven would come assist him.
• At four in the morning, the cult’s members gathered around a bound and starving Raiden Ryoma.
• The cult’s leader ordered the Saintess to kill Raiden Ryoma.

Yamamoto arranged for Yunano, the Honkai Divine Cult’s manipulated Saintess, to kill Raiden Ryoma, but Lin Nai and Raven broke into the church before she could do so. Raven killed Yamamoto, and Lin Nai struck Yunano as she attacked him.

• Yamamoto manipulated Yunano into believing the Honkai Divine Cult’s voices were divine revelations and sent her to kill Raiden Ryoma.
• Raiden Ryoma cursed Yamamoto for exploiting Yunano, while Yamamoto explained his resentment and plotted to leave Raiden branded an embezzler.
• Lin Nai and Raven burst into the church and found Raiden Ryoma tied up.
• Lin Nai teased Raiden Ryoma, then asked Raven to deal with the cultists.
• Raven shot and killed Yamamoto with Seven Thunders of Retribution.
• Yunano attacked Lin Nai with a vine, but he dodged and drove his fist through her chest.

Lin Nai defeated the Honkai Divine Cult and crushed Yunano’s core, leaving her powerless and unconscious. He planned to return her to ordinary life, while Raven delivered documents and a message from Dr. Mobius that made him worry she was calling him to Elysia’s Realm.

• Lin Nai crushed Yunano’s core and caught her as she lost consciousness.
• Lin Nai told Raiden Ryoma that Yunano had lost her power and would not remember what happened.
• Lin Nai planned to use Feather Dust to address Yunano’s family situation and have World Serpent relocate them.
• Raven arrived with documents about a place Lin Nai had acquired, and he put them in System Space.
• Raven said Dr. Mobius had asked her to pass along a message, and Lin Nai worried Mobius would summon him to Elysia’s Realm.

Lin Nai put off visiting Mobius at World Serpent, while Bronya arranged for Kiana to attend Senba Academy as part of Mei's investigation and protection. Kiana responded to bullying at the school by beating up everyone, leaving her new student life in chaos.

• Raven relayed Mobius's jealous message to Lin Nai, who said he would visit World Serpent later because he expected to be attacked there.
• Lin Nai left Raiden Ryoma to deal with Yunano's matter while Raiden Ryoma wondered about Lin Nai's romantic troubles and his daughter Mei.
• Bronya told Kiana that she had to attend Senba Academy with Mei, citing orders from Tesla and Einstein, Kiana's lack of education, and the need to protect Mei during the investigation.
• Mei explained that students at her former school had often grouped together and bullied anyone left alone, prompting Kiana to accept the bodyguard role.
• On her first day at Senba Academy, Kiana witnessed bullying and beat up everyone in the school.

Lin Nai became Senba Academy’s new teacher after securing Yunano’s safety and handing the academy’s management to Raiden Ryoma. He planned to observe Mei and see whether he could awaken her before the coming battle.

• Kiana took control of Senba Academy by beating anyone who troubled her or Mei.
• A bandaged teacher announced that a new teacher would take over the classes, and Kiana recognized Lin Nai by his appearance and the glowing Mebius Aura.
• Lin Nai had lent Kevin a constructed Heavenly Fire Judgment, and Kevin and the Thirteen Heroes used it to blast Lin Nai into a World Bubble.
• Lin Nai had acquired Senba Academy through World Serpent’s influence and arranged for Yunano to live safely and normally.
• Lin Nai gave Raiden Ryoma the job of managing Senba Academy and planned to see whether Mei could awaken before the coming battle.

Lin Nai reunited with Kiana at Senba Academy after returning from the sea, and their reunion began with a fight before turning affectionate. Kiana asked him to tell her about his time away, and Lin Nai agreed to share part of his story.

• Lin Nai began teaching a math class at Senba Academy and called Kiana to the rooftop after class.
• Kiana locked the rooftop door, attacked Lin Nai with a flying kick, and followed up with Heavenly Fire Judgment and Kaslana Gun Fu.
• Lin Nai deflected Kiana’s attacks and used a made-up command code to summon Heavenly Fire Judgment from her hands.
• Kiana gave up fighting, and Lin Nai told her he was back; she welcomed him and hugged him.
• Kiana demanded to hear what Lin Nai had experienced, and he agreed to tell her a little.

Lin Nai caught up with Kiana in Raiden Ryoma’s office, where Kiana worried that other women had gained an advantage while she was away and schemed to get ahead of Bronya. The reunion was interrupted by Raiden Ryoma, whose unexpected appearance left Kiana questioning how he had gotten out of prison.

• Lin Nai told Kiana about the people and events from the years she had missed, and Kiana grew jealous of his many potential rivals.
• Kiana considered secretly making a move on Lin Nai before Bronya learned he had returned, but Lin Nai said he planned to visit Dr. Tesla’s villa.
• Raiden Ryoma entered the office and surprised Kiana, who had believed he was still in prison.
• Kiana asked whether Lin Nai had caused Raiden Ryoma’s arrest or freed him, and Lin Nai denied both while teasing her for being an idiot.
• Raiden Ryoma asked Lin Nai and Kiana whether they were going out to eat later.

Lin Nai reunited Mei Raiden with her father, Raiden Ryoma, and brought them back to Tesla's villa. There, he reunited with Bronya, who welcomed him home.

• Lin Nai invited Raiden Ryoma to come with him and Kiana after realizing Ryoma had no money or freedom to go anywhere.
• Kiana led a blindfolded Mei to Lin Nai, who greeted her and comforted her about the difficult days she had endured.
• Mei was shocked to see Raiden Ryoma and learned he had been released, then told him what had happened while they drove to Tesla's villa.
• Lin Nai, Kiana, Mei, and Raiden Ryoma arrived at the villa, where Bronya recognized Lin Nai and embraced him.

Lin Nai reunited with Bronya and Mei, then Tesla arrived and violently woke him with a loudhailer. Einstein noticed Kiana and Bronya's tense silence at breakfast, while a flashback revealed Kiana sneaking toward Lin Nai's locked room the night before.

• Lin Nai noticed Bronya had grown and learned she had become Anti-Entropy's Acting Alliance Leader.
• Bronya and Mei listened as Lin Nai told stories about his years away, while Kiana pulled him close on the sofa.
• Tesla arrived overnight with Einstein and Seele, then woke Lin Nai by shouting through a loudhailer.
• Einstein asked Kiana and Bronya why they looked exhausted and tense, but neither answered.
• Kiana sneaked out of her room at night and found Lin Nai's door locked.

After returning, Lin Nai reunited with Seele, who had become Tesla’s assistant, while Bronya and Tesla argued over who should employ her. The chapter ended with Raiden Ryoma revealing that his company had sent out a large amount of money, despite the possibility that the embezzlement accusations were slander.

• Kiana and Bronya clashed over their rooms and flew out the window to fight, leaving Lin Nai to listen to Mei’s story request.
• Lin Nai reunited with Seele, praised how much she had grown, and learned that she had been working as Tesla’s assistant.
• Bronya and Einstein urged Seele to become Bronya’s assistant, citing Tesla’s frequent lab explosions and the strain of working late.
• Tesla said her dangerous experiments were part of her effort to save Lin Nai, and Lin Nai resolved to help her finish the machine.
• Raiden Ryoma said slander might be involved in the embezzlement claims, but his company had still seen a large amount of money go out.

Lin Nai revealed that Raiden Ryoma had made the Plasma Shadow Show and presented it as a coming-of-age gift for Mei Raiden. After breakfast, Raiden Ryoma demonstrated the weapon against Lin Nai, whose strength let him crush its ice blade and block every attack while learning Hokushin Itto-ryu.

• Lin Nai revealed the Plasma Shadow Show he had secretly taken from ME Corp., surprising Raiden Ryoma and showing Tesla and Einstein the weapon.
• Lin Nai told Mei Raiden that her father had made the Plasma Shadow Show especially for her as a coming-of-age gift, and Raiden Ryoma went along with the explanation.
• After breakfast, Raiden Ryoma demonstrated the weapon against Lin Nai while Tesla and Einstein watched.
• Raiden Ryoma launched an icy blade wave, but Lin Nai crushed it with his bare hand and blocked his subsequent Hokushin Itto-ryu attacks.
• Lin Nai secretly learned from Raiden Ryoma during their clash, while Bronya's two mechs were destroyed by the battle's aftershocks.

Lin Nai defeated Raiden Ryoma in a spar, rapidly mastering Hokushin Itto-ryu and using Tenjin'enryu to end the fight. Afterward, he explained his trip to the Previous Civilization and discussed Divine Keys and Dr. Mobius with the others.

• Lin Nai adapted to Raiden Ryoma's Hokushin Itto-ryu and learned the basics of Plasma Shadow Show while they sparred.
• Lin Nai gained Tenjin'enryu, kicked Raiden Ryoma away, and then defeated him with Tenryu Asakashi using a wooden sword.
• Raiden Ryoma admitted he was tired, while Lin Nai considered borrowing Plasma Shadow Show and teaching Tenjin'enryu to Mei Raiden.
• Lin Nai told Tesla, Einstein, and the others about visiting the Previous Civilization through the Sea of Quantum and being able to construct Divine Keys.
• Tesla and Einstein asked Lin Nai to construct Divine Keys for their research, but Lin Nai suggested they focus on studying Star of Eden first.
• Lin Nai confirmed that Dr. Mobius belonged to the Previous Civilization's Thirteen Heroes of Fire Moth, and Kiana identified the Heroes as Fusion Warriors.

Lin Nai explained the origins of the Fusion Warriors and Thirteen Heroes, including his role in establishing the group and defeating the Herrscher of Rock. Back at the villa, Kiana grew bored while Bronya handled Alliance duties, and the chapter ended with Kiana and Bronya heading to Lin Nai’s room after learning Mei had gone there.

• Lin Nai told Tesla and Einstein that Fusion Warrior surgery was too dangerous to attempt without data, and he explained that he was not one of the Thirteen Heroes.
• Lin Nai recounted how he intimidated Fire Moth’s leaders into approving the Thirteen Heroes and helped the group create a version of Heavenly Fire Unleashed to defeat the Herrscher of Rock.
• After Lin Nai returned and resolved the recent problems, Kiana lounged around bored while Bronya managed Schicksal’s affairs with Seele’s help.
• Kiana wondered what Lin Nai had been doing alone in his room, and Bronya suggested that she go find out.
• Seele told Bronya that Mei had gone to Lin Nai’s room, so Kiana and Bronya hurried there together.

Lin Nai's Armed Doll project caused a misunderstanding when Kiana, Bronya, and Mei Raiden heard suspicious noises from his room, then revealed two new dolls modeled after Tesla and made to assist Bronya. The chapter ended with everyone meeting Tesla Zero and Project Bunny, while Tesla protested Lin Nai's teasing.

• Seele resolved to work hard, while Black Seele watched and sighed from her dark room.
• Kiana and Bronya went to Lin Nai's room, but Mei Raiden explained that he was researching the Plasma Shadow Show; after hearing suggestive noises, they barged in and found him modifying an Armed Doll.
• Lin Nai presented Tesla Zero, who resembled Dr. Tesla and immediately scolded her for tugging her antenna-like ears.
• Lin Nai explained that he had made Tesla Zero to assist Tesla and keep Seele safe from Tesla's explosions, prompting Tesla to accuse him of slander.
• Lin Nai introduced Project Bunny as Bronya's assistant, and Bronya and Seele admired the new doll.

Lin Nai introduced Tesla Zero and Project Bunny as capable assistants and demonstrated their combat abilities to the others. The demonstration ended with Project Bunny charging her cannon, while Lin Nai urgently asked where she planned to fire it.

• Kiana asked Lin Nai for an Armed Doll, and he promised to make one later.
• Lin Nai returned Plasma Shadow Show to Mei and said he had finished studying the sword.
• Lin Nai told the group that Tesla Zero and Project Bunny could fight as well as help with paperwork.
• Tesla Zero assembled mechanical fists and destroyed part of a Titan with a punch.
• Project Bunny charged her cannon, and Lin Nai asked where she intended to fire it.

Lin Nai demonstrated Project Bunny’s firepower, and Tesla explained that Welt had been summoned to help build the underground laboratory. Welt arrived at the villa, learned Lin Nai had returned from the Sea of Quantum, and followed Kiana to the unfinished lab.

• Lin Nai tested Project Bunny by having her destroy two mechs with a single shot, then told her she could start work the next day alongside Little Tesla.
• Tesla said the underground laboratory was unfinished and that she had asked Welt to bring a drilling machine.
• Welt arrived at the villa and found Tesla and Einstein making renovation noises while Bronya, Seele, and Project Bunny worked inside.
• Bronya explained that Lin Nai had made Project Bunny to help with official work, and Welt learned that Lin Nai had returned from the Sea of Quantum.
• Kiana led Welt to the unfinished underground laboratory, where he saw what Tesla and Einstein had been working on.

Lin Nai reunited with Welt and explained Ryoma’s Plasma Shadow Show before the two began renovating the laboratory. At dinner, everyone grew anxious when they learned Tesla had cooked, and the chapter left them waiting to see whether her meal was safe to eat.

• Tesla and Little Tesla argued while Einstein watched, and Welt arrived and greeted them.
• Lin Nai told Welt that Ryoma had gone in and explained the functions of Plasma Shadow Show.
• Lin Nai and Welt started renovating the laboratory together, and Welt revealed he had experience with construction.
• A Previous Civilization skit showed Mei struggling with a card reader before Su killed her, and she later found Kevin withdrawn.
• Welt told everyone that Tesla had cooked to welcome him and Lin Nai back, prompting alarm from those who knew her cooking.
• Kiana and others hoped Little Tesla had helped Tesla cook, while Welt admitted he had never tried Tesla’s food.

Lin Nai and the others faced dinner cooked by Tesla, whose dishes were dangerously inedible despite looking normal. After Tesla tasted the food without harm, Lin Nai and the others tried it, and he used healing skills and antidote milk to help them endure the meal.

• Lin Nai explained that Little Tesla had never learned to cook, and he feared Tesla had already finished preparing dinner.
• Tesla and Little Tesla brought out the dishes, and Tesla tasted them to prove they were safe.
• Lin Nai tried the food and secretly relied on his Poison Immunity passive to withstand it.
• Kiana ate a bite, endured its bizarre mix of flavors, and silently joined Lin Nai in making Bronya try some.
• Bronya ate the food while Lin Nai healed her, and Lin Nai gave Seele special milk to drink with the meal.

Lin Nai’s attempt to get revenge on Walter by letting him taste Tesla’s cooking left Walter and Raiden Ryoma collapsed and needing treatment. The chapter ended with both recovering, Walter realizing how dangerous the food was, and Lin Nai warning him to heed advice next time.

• Black Seele switched with Seele and encouraged Walter to try Tesla’s cooking, while the others watched knowingly.
• Walter ate the food and collapsed, prompting Lin Nai to treat him.
• Mei Raiden and Raiden Ryoma arrived, and Ryoma also tried the food before collapsing.
• Kiana asked why Tesla seemed unaffected, and Seele recalled that Tesla had often visited the infirmary.
• Lin Nai healed Walter and Ryoma, who described near-death visions, and Walter apologized for ignoring the warning.

After Little Tesla’s disastrous cooking incident, Welt told Lin Nai and the others that they would attend St. Freya Academy so Seele and Mei could learn to fight Honkai and the group could use Schicksal’s resources. Lin Nai accepted the plan, while Kiana and Bronya reacted to the prospect of school for their own reasons.

• Lin Nai posted a warning barring Tesla and dogs from the kitchen after Tesla’s cooking wounded several people, while Einstein avoided trying it.
• Welt gathered Lin Nai, Mei, Kiana, Bronya, and Seele and announced that they would be sent to school.
• Kiana initially rejected the idea, then realized she was already attending Senba Academy and fell quiet after recalling that Lin Nai had barely gone there.
• Lin Nai asked whether the school was ordinary, and Bronya learned they were headed to St. Freya Academy.
• Welt explained that Seele and Mei needed training and that St. Freya could provide resources and instruction, so Lin Nai agreed to go.