Chapter Summaries

Yunyi and Mayumi Saegusa arrived at the Saegusa residence with Kasumi and Izumi, where Mayumi introduced Yunyi to her mother, Sachiko Saegusagawa. In Koichi Saegusa’s study, he questioned Yunyi about conflicting impressions in his investigation and began to suspect his identity, leaving Mayumi worried.

• Yunyi and Mayumi returned to the Saegusa residence with Kasumi and Izumi, where Sachiko Saegusagawa scolded Mayumi for moving in with Yunyi without telling her.
• Sachiko Saegusagawa told Yunyi that Koichi had approved of him but that he would still have to win her over, then took the twins aside while Mayumi led Yunyi to Koichi.
• Koichi Saegusa tested Yunyi with an invisible pressure, but Yunyi calmly drank his tea and challenged him.
• Koichi showed Yunyi an investigative file and asked whether the taciturn man described in it or the unrestrained man before him was real, making Mayumi fear that he suspected Yunyi’s identity.

Koichi Saegusa warned Yunyi that the truth about him would eventually come out, while agreeing not to oppose his relationship with Mayumi. Back home, Yunyi suspected Gu Jie had used the Supreme Throne to expose his past, and Mayumi's anxiety gave way to a playful tussle between them.

• Koichi Saegusa advised Yunyi and Mayumi to prepare for the truth to be revealed, but promised not to oppose their relationship.
• After leaving the study, Mayumi feared for Yunyi, and he told her he had a few guesses about how Koichi learned the truth.
• Yunyi and Mayumi had dinner with Mrs. Saegusa and the twins before leaving late that evening.
• At home, Yunyi suspected Gu Jie had used the Supreme Throne to investigate his past and inform Koichi, possibly in revenge for the destruction of No Head Dragon's Japan branch.
• Mayumi teased Yunyi about her family abandoning her, then pushed him onto the sofa and landed on top of him.

Yunyi met Tatsuya Shiba to discuss his treatment of Miyuki, but their conversation turned into a brutal fight. Yunyi gained the upper hand with magic before noticing someone watching them from a streetlamp.

• Mayumi Saegusa handed Yunyi a call from Tatsuya Shiba, who asked to meet him alone.
• Yunyi rode to Tatsuya Shiba’s chosen location while Mayumi Saegusa stayed home.
• Tatsuya Shiba asked Yunyi not to hurt Miyuki again, and Yunyi proposed settling the matter with a fight.
• Yunyi and Tatsuya Shiba fought ruthlessly without magic until Tatsuya Shiba used Flash Cast to attack him.
• Yunyi invoked a spell that increased his speed, overwhelmed Tatsuya Shiba, and continued attacking him.
• Yunyi suddenly sensed someone near a distant streetlamp and turned to confront them.

Yunyi ended his spar with Tatsuya Shiba after Miyuki Shiba intervened to stop a confrontation with Yakumo Kokonoe. Back home, Yunyi and Mayumi Saegusa planned a trip to the beach, while the next morning Kasumi and Izumi Saegusa returned to find them still asleep.

• Yunyi’s lightning struck a streetlight near Miyuki Shiba, and Yakumo Kokonoe confronted him after shielding Miyuki.
• Miyuki asked Yunyi to stop, and Tatsuya later told her that Yunyi could have killed him several times in a real fight.
• Yunyi returned home, and he and Mayumi decided to visit the Saegusa Family’s private beach in Ogasawara.
• Kasumi and Izumi returned early the next morning, found the house empty, and made toast while Yunyi and Mayumi slept.

Yunyi and Mayumi Saegusa were interrupted by Kasumi Saegusa and Izumi Saegusa returning home, forcing them to postpone their beach plans. After the four shared a meal, Kasumi asked Mayumi to take her and Izumi to the beach too.

• Mayumi Saegusa woke hungry and complained to Yunyi, while Kasumi Saegusa and Izumi Saegusa overheard sounds from the bedroom and came upstairs to check on her.
• Yunyi and Mayumi hurriedly got dressed, and Yunyi told Kasumi and Izumi that he had been giving Mayumi a massage.
• Izumi explained that their mother had sent them to stay with Mayumi while she attended a banquet, and Yunyi said their return meant he and Mayumi would need to rearrange their beach plans.
• Kasumi and Izumi agreed to ask Mayumi to take them to Ogasawara, then helped Yunyi prepare lunch with Mayumi.
• After the four finished eating around three in the afternoon, Kasumi clung to Mayumi and asked her to bring her and Izumi to the beach.

Mayumi Saegusa, Yunyi, and the Saegusa twins planned a beach trip to Ogasawara, while Tatsuya Shiba and his friends arranged a separate visit there. The groups unexpectedly met at a Tokyo Bay harbor, then boarded different boats for the islands.

• Kasumi Saegusa and Izumi Saegusa asked to join Mayumi Saegusa and Yunyi, so Mayumi postponed their departure until the next day to buy swimsuits.
• Miyuki Shiba asked Tatsuya Shiba about accepting Shizuku Kitayama's invitation to Ogasawara, and Tatsuya agreed to go in four days with their friends.
• Shizuku Kitayama arranged the Ogasawara trip to lift Honoka Mitsui's spirits and told Miyuki Shiba that everything would be ready.
• Yunyi brought Mayumi Saegusa and the twins to a Tokyo Bay harbor through Spatial Magic, where they ran into Tatsuya Shiba and his group.
• Mayumi Saegusa and Yunyi boarded their yacht with the twins, while Tatsuya Shiba and his friends prepared to board their own boat.

Yunyi used Domain Magic to harmonize the abnormal psions in Izumi Saegusa’s body, curing her dizziness after the Gate of Transfer. The group reached the Saegusa Family’s island in the Ogasawara Islands, where they prepared to enjoy their vacation.

• Yunyi found Izumi Saegusa still dizzy and explained that she was suffering from space sickness rather than seasickness.
• Yunyi used Domain Magic and psion harmonization to restore Izumi’s psions and ease her symptoms.
• Izumi told Yunyi she had sensed something unusual around her, and he praised her sensitivity to space.
• Yunyi wondered whether Lina had learned anything about the Parasites, unaware that she was already hunting them in America.
• Yunyi and the Saegusa sisters arrived at the family’s island, where Kasumi urged them to put away their luggage and go have fun.
• Yunyi remarked that the seaside estate seemed even more lavish than the Saegusa Family residence.

Yunyi and Mayumi Saegusa spent the day at the beach with Kasumi Saegusa and Izumi Saegusa, but Yunyi sensed danger and unleashed his domain. The chapter ended as everyone nearby lost access to Psions and felt an unknown gaze watching them.

• Kasumi Saegusa and Izumi Saegusa watched Yunyi and Mayumi Saegusa embrace and wondered how their relationship began.
• Yunyi and Mayumi Saegusa teased each other on the beach until Sonoko called them back for lunch.
• Mayumi Saegusa avoided being alone with Yunyi by taking her swimsuit and skin-care products into the twins' room.
• Yunyi sensed danger while resting on the beach, flew into the air, and expanded his domain, Fool's World.
• Tatsuya Shiba and the others lost their connection to Psions, then felt a chilling, unseen gaze expose them completely.

Yunyi used his Heavenly Eye to investigate a sense of danger but found no threat nearby and concluded he might have overreacted. He then joined Mayumi Saegusa and the twins in playful beach antics, which ended with Kasumi and Izumi tickling each other.

• Yunyi opened his Heavenly Eye with Domain Magic, then fell to the beach and reassured Mayumi Saegusa that he was fine.
• Yunyi reviewed what the Heavenly Eye had seen but found no danger in the surrounding waters or on a nearby maintenance ship.
• Yunyi suggested burying Kasumi Saegusa beneath a sandcastle, and Mayumi Saegusa and Izumi Saegusa helped him capture and bury her.
• Yunyi showed Izumi Saegusa how to tickle Kasumi through a doorway in the sandcastle, then guided Mayumi Saegusa to tickle Kasumi's foot.
• Kasumi Saegusa broke free as the sandcastle collapsed and pounced on Izumi Saegusa, starting a tickling battle on the beach.

After Yunyi told Tatsuya and Mayumi about his unexplained sense of danger, he and Mayumi agreed to stay alert and arranged for Tatsuya’s group to visit the next evening. Tatsuya searched the island and surrounding waters but found no sign of danger.

• Kasumi Saegusa scolded Mayumi Saegusa and Yunyi for teasing her, and Mayumi promised to practice magic with the twins the next day.
• Miyuki Shiba called Mayumi and passed the phone to Yunyi so Tatsuya Shiba could ask about the afternoon.
• Yunyi told Tatsuya he had sensed danger, but neither of them had found anything unusual; they agreed to watch for trouble.
• Yunyi invited Tatsuya and the others to visit Mayumi the next evening for an outdoor barbecue, and Mayumi agreed to prepare for them.
• Yunyi told Mayumi about his sense of danger, and they agreed to be cautious before going to bed together.
• Tatsuya used Elemental Sight to search the Kitayama Family island and nearby waters, found nothing, and concluded Yunyi’s warning might have been a false alarm.

Yunyi watched Mayumi Saegusa scold Kasumi Saegusa for poor magic practice, then helped Izumi Saegusa work on her casting. After discovering Izumi's sensitivity to space, he demonstrated Spatial Magic and offered to teach it to her.

• Mayumi Saegusa sternly scolded Kasumi Saegusa for not practicing enough while Yunyi and Izumi Saegusa watched.
• Yunyi asked Izumi to demonstrate her magic and noticed that both twins' casting seemed slightly uncoordinated when they were apart.
• Yunyi synchronized Izumi with his magic domain to help her practice, and she sensed the domain's boundary.
• Yunyi opened an Imaginary Number Gate inside Izumi's shadow and retrieved an ice pillar he had stored during the Nine Schools Competition.
• Yunyi explained the Spatial Magic technique and offered to teach it to an excited Izumi, drawing Mayumi's attention.

Yunyi began helping Izumi Saegusa adapt to the spatial attribute so she could eventually learn Spatial Magic, while Mayumi Saegusa playfully coaxed him after teasing him about his teaching. Later, Tatsuya Shiba and the others arrived at the manor for a barbecue.

• Yunyi tested Izumi Saegusa’s tolerance for spatial power and began helping her adapt to it.
• Mayumi Saegusa complained that Yunyi had never put as much effort into teaching her, then apologized and coaxed him with affection.
• Mayumi Saegusa took Kasumi Saegusa to practice while Yunyi continued training Izumi Saegusa.
• Mayumi Saegusa and her sisters swam after lunch while Yunyi fell asleep on a lounge chair.
• Tatsuya Shiba and the others arrived, and Yunyi hurried them outside to start the barbecue.

After a lively barbecue, Yunyi invited the guests to stay overnight and searched the area for the source of his premonition of danger. He found nothing unusual, then went for a walk with Shizuku Kitayama, who said she wanted to talk to him.

• Yunyi teased Erika Chiba and urged Izumi Saegusa and Kasumi Saegusa to ask Tatsuya Shiba to tune their CADs.
• After the barbecue, Yunyi offered everyone a place to stay, and Tatsuya Shiba accepted on the group’s behalf.
• Leonhart, Mikihiko Yoshida, Shizuku Kitayama, and Honoka Mitsui saw Mayumi Saegusa enter Yunyi’s room with her arm linked through his.
• Yunyi left the room to search the surroundings for anything unusual, but his detection magic found nothing.
• Shizuku Kitayama met Yunyi outside and asked him to go for a walk so they could talk.
• As they neared the mansion, Yunyi asked Shizuku Kitayama what she wanted to tell him.

Shizuku Kitayama told Yunyi she might feel differently about him, and he concluded that her feelings were probably curiosity rather than love. After Yunyi rejected the idea of pursuing them because he already had a girlfriend and their positions made a relationship impossible, Mayumi Saegusa teased him before they ended the night together.

• Shizuku told Yunyi she was unsure whether she loved him, and Yunyi suggested she was curious about him instead.
• Yunyi warned Shizuku not to pursue her curiosity because he already had a girlfriend, then walked her back into the mansion.
• Mayumi revealed she had noticed Shizuku's interest since the Nine Schools Competition and compared it to her own early feelings for Yunyi.
• Yunyi told Mayumi that he and Shizuku could never be together because of their positions, and Mayumi understood.
• Yunyi playfully pursued Mayumi, and they spent the night together.

Yunyi coached Izumi Saegusa in sensing and tracing an Imaginary Number Gate, then Tatsuya Shiba and the others accepted Mayumi Saegusa’s invitation to stay for the day. While they spent time on the beach, a seabed explosion near the Ogasawara Islands threatened to affect a dormant underwater volcano.

• Yunyi guided Izumi Saegusa as she tried to sense external Psions and trace the outline of a gate, but she struggled to control the large spatial area she perceived.
• Yunyi created an Imaginary Number Gate and warned Izumi to practice within her limits to avoid becoming overwhelmed by spatial elements.
• Tatsuya Shiba and the others accepted Mayumi Saegusa’s invitation to stay for lunch and spend time on the beach.
• An electrical leak from an undersea cable near the Ogasawara Islands exposed rubidium ore, which reacted with seawater and caused a massive explosion in a vein connected to a dormant underwater volcano.

An undersea eruption triggered a massive tsunami that threatened the Ogasawara Islands and the mainland. Yunyi flew into the sky and activated his second-stage Domain Magic, Sanctuary of Joy.

• An explosion beneath the sea awakened an undersea volcano and sent a powerful tsunami toward the Ogasawara Islands.
• Yunyi and Tatsuya Shiba flew Mayumi Saegusa, the twins, and Miyuki Shiba above the beach as an earthquake struck.
• Yunyi warned the group to retreat, but Mikihiko Yoshida spotted smoke rising from the sea.
• Tatsuya Shiba used his eyes to identify a tsunami about thirty meters high, and Yunyi considered the threat to the mainland and its military forces.
• Yunyi embraced Mayumi, told her to wait, flew into the sky, and invoked Domain Expansion: Sanctuary of Joy.

Yunyi used the thirteenth-tier forbidden spell Mahapadma Hell, amplified by Sanctuary of Joy, to freeze the tsunami and a vast stretch of sea, leaving him nearly drained. After returning indoors, he told Koichi Saegusa that the frozen ocean could cause prolonged cold around Ogasawara and perhaps affect the mainland, and Koichi ended the call.

• Yunyi cast Mahapadma Hell and froze the approaching tsunami and the surrounding sea in place.
• Yunyi collapsed against Mayumi Saegusa after exhausting nearly all the Psions in the area, and Mayumi supported him.
• Yunyi joked with Mayumi about the reward she owed him, while Tatsuya Shiba and the others watched their affectionate exchange.
• Yunyi and the others returned to the house to escape the sudden cold, and they received calls about the undersea earthquake and tsunami.
• Mayumi Saegusa reassured Koichi Saegusa and Mrs. Saegusa that everyone was safe, while Yunyi explained that the frozen sea could leave Ogasawara cold for a long time and affect the mainland.
• Koichi Saegusa ended the call after hearing Yunyi's explanation.

Maya ordered Miyuki to get close to Liu Yunyi and forbade her from becoming his enemy, while Tatsuya was told to assist her. Miyuki broke down after the call, and Yunyi later warned Kasumi and Izumi to keep his relationship with Mayumi secret before turning to their real business.

• Maya asked Tatsuya what he thought of Liu Yunyi, and he advised against judging him before learning his background and objectives.
• Maya ordered Miyuki to establish a relationship with Liu Yunyi and instructed Tatsuya to assist her as her guardian.
• After the call, Miyuki became distraught, and Tatsuya comforted her as she feared being assigned to someone else in the future.
• Kasumi and Izumi teased Mayumi about her relationship with Yunyi, and Mayumi scolded them.
• Yunyi told the twins that his relationship with Mayumi was approved but must remain secret, then suggested they discuss their real business.

Yunyi explained why Mayumi Saegusa and her sisters should wait in Ogasawara while Koichi Saegusa handled the fallout from the disaster. Koichi and Tomokazu feared Yunyi’s power and began planning how to protect the Saegusa Family from being blamed.

• Yunyi told Mayumi Saegusa that leaving Ogasawara could expose the Saegusa Family to suspicion, so they should wait for news from her father.
• Mayumi understood that staying would give Koichi Saegusa time to respond, though Yunyi warned that the harsh conditions made a long wait difficult.
• Koichi Saegusa complained to his sons about being left to manage the worldwide fallout, while his second son ended the call without helping.
• Tomokazu Saegusa suggested that Mayumi leave Yunyi, but Koichi rejected the idea because it could provoke Yunyi.
• Koichi told Tomokazu to find a way to keep the Saegusa Family out of the incident, and Tomokazu agreed to begin preparations.

After the incident disrupted travel and life on the mainland, Mayumi Saegusa let the group choose whether to stay at the Saegusa residence or return by helicopter. Yunyi confronted the group over relying on Tatsuya Shiba to make their decisions, then learned that Tatsuya and Miyuki wanted to speak privately about an order from the Yotsuba Clan.

• Mayumi Saegusa said some people could stay while others returned by helicopter, and Tatsuya Shiba guessed she was buying time for her family to respond to the incident.
• Miyuki Shiba remembered Maya Yotsuba's orders and fell silent when Tatsuya asked what she thought.
• Yunyi criticized the group for waiting on Tatsuya's decisions, then threatened Erika Chiba when she tried to attack him.
• Mikihiko Yoshida, Erika Chiba, Leonhart, and Mizuki Shibata chose to return, while Honoka Mitsui and Shizuku asked to stay.
• Yunyi took Tatsuya Shiba and Miyuki Shiba to a pavilion, where Tatsuya revealed that the order had been given to Miyuki.