Chapter Summaries

Lin Nai discussed how to approach Theresa and arrange his enrollment, then proposed making Mei the Herrscher of Thunder. The group considered how to help Mei gain control of her power, while Raiden Ryoma’s worry about her losing control went unanswered.

• During the team-building game, Kalpas tried to stab Lin Nai, but the alarm sounded and the others voted to eject Kalpas after Lin Nai was identified as Canadian.
• Lin Nai asked Welt about his plan to speak with Theresa, and Welt explained he could use his position at St. Freya Academy and his HOMU comics to help arrange enrollment.
• Lin Nai said he needed to resolve the Conquest Gem and Stigma issues before Mei enrolled and proposed making Mei the Herrscher of Thunder.
• Welt and Raiden Ryoma asked whether Lin Nai had a way to awaken Mei, while Mei hoped becoming a Herrscher would let her protect her friends.
• Lin Nai considered persuading Mei’s alternate personality to help her master the gem and thought that a Herrscher of Thunder could disrupt Otto’s plans.
• Raiden Ryoma asked whether Mei would lose control, then noticed the other Herrschers present were all sane.

Lin Nai prepared for Mei to become the Herrscher of Thunder by arranging for Tesla and Einstein to build a Honkai-energy storage machine, while Kiana and Bronya joined the preparations. Siegfried confronted Lin Nai, then asked whether Theresa would accept Kiana; Lin Nai predicted Theresa would hit Siegfried, but Siegfried refused to bet.

• Lin Nai asked Tesla and Einstein to build a machine that could store more than 1,000 HW of Honkai energy, and they accepted the task with Welt set to collect the energy.
• Lin Nai agreed to let Kiana and Bronya help prepare for Mei's transformation into the Herrscher of Thunder.
• In the Previous Civilization Mini-Theater, Kevin found a seemingly feminized Su in the medical department, while Lin Nai watched from outside with a vial of medicine.
• Siegfried attacked Lin Nai with Heavenly Fire Judgment, but Lin Nai's Zetton Barrier knocked the sword from Siegfried's hand and sent him to the ground.
• Siegfried asked Lin Nai whether Theresa would accept Kiana's identity, and Lin Nai said Theresa would acknowledge Kiana and then slap Siegfried.
• Lin Nai proposed betting on whether Theresa would hit Siegfried, but Siegfried refused.

Siegfried visited Kiana, but she rushed off to find Lin Nai, leaving him feeling rejected. Tesla and Einstein completed a one-use Honkai energy machine intended to help Mei become the Herrscher of Thunder, and Lin Nai began preparing to enter the Meta Domain with Mei, Kiana, and Bronya.

• Siegfried went to see Kiana while Lin Nai stayed outside, and Kiana abandoned her studies to run off and find Lin Nai.
• Tesla, Einstein, Welt, and the others moved their discussion to the underground laboratory, while Project Bunny took Bronya's place handling official work.
• Tesla and Einstein showed Lin Nai their completed machine, which would need to be destroyed to release its gathered Honkai energy and help Mei become the Herrscher of Thunder.
• Lin Nai let Project Bunny rest, then prepared to enter the Meta Domain with Mei, Kiana, and Bronya for combat experience.
• Lin Nai fired a crystalline blue beam into the sky, and a golden hemisphere formed around the villa.

Lin Nai awakened the Herrscher of the Void inside Kiana in the Meta Domain, where Bronya quickly defeated her. Lin Nai then asked the Herrscher—whom he called Sirin—to help train Kiana, and offered her a warm, unexpected gesture.

• Lin Nai brought Kiana, Bronya, and Mei into the Meta Domain and released a burst of Honkai energy to awaken their other selves.
• Mei briefly became the Thunder Queen, but Lin Nai sent her back; Kiana transformed into the Herrscher of the Void.
• The Herrscher of the Void found herself trapped in the Meta Domain, where Bronya knocked her down and prepared to attack again.
• Lin Nai stopped Bronya and explained that he wanted the Herrscher of the Void, whom he called Sirin, to help train Kiana.
• The Herrscher of the Void refused, but Lin Nai extended his hand, and she felt a warm sensation instead of an attack.

Lin Nai and Bronya discovered that Kiana could open portals using the Herrscher of the Void’s power, while the Herrscher of the Void agreed not to interfere with Kiana for now. Mei’s inner personality awakened when the remaining Honkai energy gathered around her, and the Thunder Queen kissed Lin Nai before Kiana and Bronya could react.

• Lin Nai healed the Herrscher of the Void, who struggled with Sirin’s memories before agreeing not to interfere with Kiana while keeping her desire to exterminate humanity.
• Kiana revealed that she had deliberately brought out the Herrscher of the Void and could now create portals, while Lin Nai worried that this might advance Otto’s plans.
• Mei’s inner personality awakened as Honkai energy gathered around her, and Lin Nai pulled Kiana away from the forming lightning.
• The Thunder Queen transformed into lightning, charged at Lin Nai, and kissed him.
• Kiana summoned her flaming spear and Bronya constructed Heavenly Fire Judgments as they demanded that the Thunder Queen release Lin Nai and return Mei.

The Thunder Queen kissed Lin Nai, then fought Kiana and Bronya until Lin Nai intervened and stopped the battle. Afterward, the Thunder Queen yielded control to Mei Raiden, who wondered whether the Herrscher of Thunder had run away.

• The Thunder Queen kissed the confused Lin Nai while Mei Raiden protested from the little dark room.
• The Thunder Queen fought Kiana and Bronya, dodging Kiana’s redirected Railgun and countering their attacks with lightning and magnetism.
• Lin Nai entered the battlefield inside a Zetton Barrier, but the combined attacks exploded around him as Kiana switched places with Bronya and landed in his arms.
• Lin Nai reassured everyone, and Bronya decided to make up for the interruption by playing games with him later.
• The Thunder Queen kicked Mei Raiden out of the little dark room, returning control of her body to Mei as her light wings disappeared.

Mei Raiden agreed to let the Herrscher of Thunder lend her power, while Bronya grew wary of the Thunder Queen’s interest in Lin Nai. After Lin Nai explained the group’s situation, Bronya confronted Kiana about the Herrscher of Thunder and they agreed she was a serious rival.

• The Herrscher of Thunder agreed to lend Mei Raiden her power in exchange for occasional time outside, and Mei accepted.
• Bronya noticed the Thunder Queen’s boldness around Lin Nai and began treating her as a romantic rival.
• Kiana fell asleep standing up, and Bronya carried her away while Lin Nai briefed the others, hiding the Herrscher of the Void’s awakening and the Thunder Queen’s forced kiss.
• Bronya exposed Kiana’s act of pretending to sleep by threatening to keep her from seeing Lin Nai, then asked if she had noticed the Herrscher of Thunder’s interest in him.
• Kiana and Bronya agreed that the Herrscher of Thunder had her eyes on Lin Nai and was an impressive opponent.

Kiana and Bronya formed an alliance against the threat of the Herrscher of Thunder while Lin Nai helped the others adapt to their powers. Theresa and Himeko arrived at the villa, where Siegfried told Theresa about the terrible events of the past few years, leaving her troubled by how much he and Kiana had suffered.

• Kiana and Bronya agreed to join forces because they feared what might happen if the Herrscher of Thunder was released.
• Over several days, Lin Nai helped Kiana, Mei, Bronya, and Seele train and adapt to their abilities.
• Theresa and Himeko arrived at the villa and were greeted by Raiden Ryoma.
• Theresa was surprised to find Siegfried there, and the two awkwardly caught up before Tesla urged them to continue.
• Siegfried told Theresa about his years on the run, Otto's actions, and how the real Kiana had been struck by an aircraft and fallen onto a snowy mountain.
• Theresa reflected on Siegfried's hardships and worried about what might have happened to Kiana if she had not met Lin Nai.

Theresa agreed to take in Kiana and the others at St. Freya, embracing her role as Kiana’s aunt. When Kiana returned with Lin Nai, Bronya, and Mei Raiden, she told Theresa she was not the real Kiana and should be called Kiana Lin, leaving the others reacting to her insistence.

• Theresa considered Siegfried’s request and agreed to take in the children because she was Kiana’s aunt.
• Lin Nai, Su, Kevin, and Cosmo dressed as coffin bearers and danced while carrying Hen on a board, much to Hen’s dismay.
• Lin Nai returned with Kiana, Bronya, and Mei Raiden, then rushed to cook when Einstein warned that Tesla might take over the meal.
• Theresa recognized Kiana, who stepped back and said she was not the real Kiana but should be called Kiana Lin.
• Siegfried glared at Lin Nai, and Tesla pushed him back into the kitchen before he could provoke a confrontation.

Theresa visited Kiana, claimed her as a niece, and chased Siegfried after Kiana asked whether she was Magical Girl teriri. Later, Lin Nai served dinner with telekinesis while Elysia caught Kevin and Su sneaking around the medical department.

• Theresa told Kiana to call her Auntie, and Kiana agreed after Theresa threatened to show her Judah's uses.
• Kiana asked whether Theresa was Magical Girl teriri, so Theresa left to teach Siegfried a lesson and chased him away.
• Elysia spotted Kevin and Su sneaking around the medical department and approached them.
• Theresa admitted she had beaten Siegfried to distract Kiana from asking about her magical-girl identity.
• Lin Nai brought dinner to the table with Ultra Telekinesis, surprising Himeko and frightening Theresa.

Lin Nai and the others shared dinner and an evening with Theresa, Himeko, and Siegfried, and Theresa later began visiting their villa often to spend time with Kiana and enjoy Lin Nai’s cooking. Meanwhile, Mei Raiden gradually learned to control part of the Herrscher of Thunder’s power.

• Theresa and Himeko joined Lin Nai, Tesla, and the others for dinner, and Theresa praised Lin Nai’s cooking.
• Theresa grew close to Kiana while the group watched a magical girl show, and Siegfried’s insult prompted Theresa to chase him around the living room with Judas.
• Theresa discussed the group’s future enrollment and said she would prepare dormitories and their academy records before picking them up.
• Theresa visited the villa frequently, spending time with Kiana, eating Lin Nai’s food, and leaving her work to Himeko.
• With help from the Thunder Queen and Lin Nai, Mei Raiden gained some control over the Herrscher of Thunder’s power and learned to imbue weapons with lightning.

After learning more about Divine Keys and training, Kiana, Mei, Bronya, and Seele enrolled at St. Freya Academy. Lin Nai became Theresa’s assistant, though he suspected she mainly wanted help with her workload and argued with her about his salary.

• Bronya noticed Mei’s body had grown stronger and worried that Mei might have had another growth spurt.
• Lin Nai explained that he had defeated the Herrscher of Binding with a Photon Stream, while Seele continued improving with her scythe.
• Theresa appointed Lin Nai as her assistant, claiming she needed to keep an Anti-Entropy member under surveillance.
• Lin Nai questioned whether Theresa would pay him, and Theresa tried to justify delaying his salary by pointing to the students’ tuition.
• Kiana, Mei, Bronya, and Seele enrolled at St. Freya Academy, while Lin Nai settled into his new assistant role.

Kiana and her companions left the Far East for St. Freya Academy, where Theresa welcomed them and Lin Nai became her assistant. Kiana joked that she would take over Theresa’s empire, but her real interest was in Lin Nai’s new position.

• Under Theresa’s guidance, the group enrolled at St. Freya Academy, and Kiana changed her surname from Kaslana to Lin.
• Lin Nai knocked Siegfried unconscious after Siegfried gave him an unsettling look, while Raiden Ryoma worried about Mei competing with Kiana and Bronya.
• The group departed for St. Freya Academy, leaving Einstein, Tesla, Siegfried, and Raiden Ryoma behind; Einstein and the others urgently warned Tesla to stay out of the kitchen.
• Theresa brought everyone to the island housing St. Freya Academy and explained that she had founded it to train girls with Honkai energy adaptability.
• Kiana joked that Theresa’s academy would become her empire, while secretly eyeing Lin Nai’s role as Theresa’s assistant; Mei sensed Kiana’s intentions, and Bronya understood her.

Lin Nai arrived at St. Freya Academy with Kiana, Bronya, and the others, then bargained with Theresa for permission to build a house on campus. Theresa agreed after demanding both a room for herself and a suitable building site, while Himeko hoped Lin Nai would take over her academy duties.

• Theresa welcomed Lin Nai and the girls to St. Freya Academy, where Kiana eyed the wall and Bronya sensed a sinister aura.
• Theresa told Lin Nai to go with Himeko and refused to let him stay in the girls’ dormitory, prompting the girls to shove him away.
• Lin Nai asked to build his own house, but Theresa cited the academy’s poverty and refused to grant him special treatment.
• Lin Nai offered Theresa money and then a box of gold, causing Theresa and Himeko to swallow in surprise.
• Theresa agreed to let Lin Nai build a house if he also built her a room, and Lin Nai asked her to find him a good spot.

Lin Nai arranged for Theresa to provide land for his villa and enlisted Welt to help with its construction and Theresa’s HOMU-covered room. After arriving at the site, Lin Nai was surprised when Kiana appeared through a spatial gate to join him.

• Lin Nai and the others stayed in St. Freya’s dormitories, where Welt welcomed Lin Nai as his new roommate.
• Lin Nai told Welt that Theresa wanted her room covered with unique HOMU comics, leaving Welt dismayed at the amount of drawing required.
• Lin Nai and Welt went to Theresa’s designated plot, which she had effectively sold to Lin Nai after he paid her extra.
• Kiana came through a spatial gate, clung to Lin Nai, and said she had asked Theresa the night before to come to the site.

Lin Nai arrived at St. Freya Academy and learned that Himeko had assigned him to follow her and work as her teaching assistant. The chapter ended as Himeko told him about his new role.

• Kiana said she had come to watch and planned to use a spatial gate to get to school later, but Himeko caught her after hearing her call her Auntie Himeko.
• Himeko told Lin Nai to meet her at the teaching building at eight-thirty and said he would help with her work and later assist with a class.
• Lin Nai and Welt surveyed the plot for a building before heading to the St. Freya office.
• Lin Nai greeted Himeko as Auntie Himeko, then quickly corrected himself to Sister Himeko when she objected.
• Himeko told Lin Nai that his work for the day was to be her teaching assistant.

Lin Nai accompanied Himeko to her classroom as a teaching assistant and met Fu Hua, Kiana, Mei, Bronya, and Seele. The chapter ended as Himeko introduced Lin Nai and the new transfer students to the Valkyries in class.

• Himeko took Lin Nai from Theresa to help teach, leaving Theresa to handle the Academy's miscellaneous work alone.
• Himeko silenced her noisy class with a kick and reprimanded the Valkyries.
• Fu Hua recognized Lin Nai but hid her excitement, still pretending to have amnesia while on vacation.
• Himeko introduced Lin Nai as her teaching assistant for the day and presented Kiana, Mei, Bronya, and Seele as future classmates.

Himeko tested Kiana’s combat ability by pairing her with Fu Hua, whose overwhelming punch exposed the gap between their strength. Afterward, Lin Nai questioned Fu Hua about a photo that showed her with a noticeably different figure.

• Himeko asked Fu Hua to test Kiana because the students had not taken an entrance exam.
• Kiana faced Fu Hua in the sparring grounds, and the two traded blows while Lin Nai watched.
• After Lin Nai remarked on Fu Hua’s figure, Fu Hua struck so forcefully that her punch left a mark in the wall behind Kiana.
• Lin Nai showed Fu Hua a photo of a busty woman, and Fu Hua said it was her from before she had an airfield.
• Lin Nai rejected Fu Hua’s claim, saying the woman in the photo was not her.

Fu Hua dominated Kiana in a spar, then challenged Lin Nai and overwhelmed him with martial arts technique. Lin Nai confirmed Fu Hua still remembered him when his teasing provoked her into an angry outburst.

• Fu Hua smashed the table and sent Lin Nai flying after he teased her about her chest.
• Kiana abandoned her fight with Fu Hua and secretly planned to return after obtaining the Herrscher of the Void's powers.
• The Herrscher of the Void remembered Fu Hua nearly defeating Sirin during the Second Honkai War and trembled in hiding.
• Fu Hua asked Himeko to spar with Lin Nai, and Lin Nai agreed so he could test whether she had lost her memories.
• Fu Hua suppressed Lin Nai with her martial arts, and he confirmed she retained her memories when his teasing made her curse at him.

Lin Nai and Fu Hua’s closeness onstage made Kiana and Bronya suspect Fu Hua posed a threat to their relationship with him. After learning Fu Hua considered Lin Nai her teacher, they realized she might be connected to the Previous Civilization, but they left her without asking further.

• Lin Nai grabbed Fu Hua during her attack, and the two blushed and stood close until Himeko pulled them apart.
• Himeko made Lin Nai examine Mei, who sparred with him using Plasma Shadow Show.
• Kiana and Bronya confronted Fu Hua and asked whether she knew Lin Nai.
• Fu Hua said she and Lin Nai knew each other and that he could be considered her teacher.
• Kiana and Bronya suspected Fu Hua came from the Previous Civilization, then ended their questioning.