Chapter Summaries

Su Yang accidentally teleported into the girls’ restroom at Kuoh Academy, where he encountered Koneko and completed her sign-in task before leaving. He later met Issei Hyoudou, who struggled to accept the supernatural truth Ddraig had revealed to him.

• Su Yang arrived in the girls’ restroom and found Koneko pulling up her panties.
• Su Yang explained his mistaken teleport, covered Koneko’s mouth, and received Beginner Magic God’s Blessing by completing her sign-in task.
• Koneko accepted Su Yang’s explanation, and he teleported to an alley outside the school.
• Su Yang entered his classroom, noticed Issei Hyoudou’s unease, and called him outside.
• Issei asked whether his new supernatural circumstances were real, and Su Yang confirmed that they were.

Su Yang explained how the Divine Chess Piece had enhanced Issei’s potential and caused him to evolve toward the Dragon race, then urged him to become strong enough to conquer Vali. The chapter ended with Kiryu Aika telling Su Yang a ghost story about a betrayed wife whose voice haunted the site of a relocated cherry blossom grove.

• Ddraig told Su Yang and Issei that the Divine Chess Piece had greatly enhanced Issei’s physique and potential and was turning him into a Dragon.
• Su Yang showed Issei a picture of Vali, and Issei reacted with a nosebleed before learning about Vali’s powerful lineage.
• Su Yang encouraged Issei to grow stronger and left him to ask Ddraig or Su Yang for help with training.
• Su Yang returned to class and continued constructing his system while the teacher ignored him.
• Kiryu Aika told Su Yang an urban legend about a wife who disappeared after learning her husband had become a general and taken many wives.

Su Yang visited the Occult Research Club after Rias summoned him, but he asked her about visiting the Forest of Familiars instead. Rias agreed to check whether he could go in the next few days, while the important matter she had called him about remained unmentioned.

• Su Yang recognized a rapidly spreading urban legend as a story based on Jeanne's incident near Kuoh Town and returned to studying.
• Koneko skipped class, waited for Su Yang, and led him to the Occult Research Club because Rias had something important to discuss.
• Su Yang asked Rias where the Forest of Familiars was so he could find a suitable Familiar and complete his sign-in.
• Rias wondered whether Su Yang's Fallen Angel maid was unsatisfactory, then agreed to check whether a visit could be arranged within the next few days.
• Su Yang left without learning why Rias had called him, and Akeno Himejima brought Rias freshly brewed tea.

Rias worried that Su Yang might think she had recruited him only to deal with Raiser, while Akeno suspected Rias had feelings for him. Su Yang encountered a strange young man and then received a King-level sign-in mission to kill Vishnu within thirty days.

• Rias told Akeno she did not want Su Yang to think she had made him her Servant only to handle her problem with Raiser.
• Akeno privately suspected Rias had a crush on Su Yang and wondered how Rias and Sona would compete for him.
• Su Yang guessed that Rias feared he would feel used, but thought saving her would be worthwhile.
• A strange young man asked Su Yang about unusual events in town, and Su Yang told him about the rumored ghosts outside Kuoh Town.
• Su Yang triggered a King-level sign-in mission requiring him to kill Vishnu within thirty days.

Su Yang ran into Aisha and Ophis in Kuoh Town after Ophis had been searching for him. Ophis explained that she and Su Yang had made an agreement, while Aisha mistook it for an engagement.

• Su Yang decided to spend the next thirty days strengthening himself and wondered about the consequences of killing Vishnu.
• Su Yang found Aisha and Ophis after they fell in a plaza.
• Aisha thanked Su Yang for helping Ophis up, and Ophis said she had found him.
• Aisha asked whether Su Yang was Ophis's brother, and Ophis clarified that they had made an agreement.
• Aisha assumed the agreement was an engagement, and Su Yang explained what an engagement meant to Ophis.

Su Yang explained to Aisha that the Church in Kuoh Town had been taken over by Fallen Angels, who had recently been wiped out, and offered her a place to stay. The system gave him sign-in tasks to lure Aisha away and help Ophis choose panties, and Aisha reacted to his invitation by thinking he was kind.

• Su Yang treated Aisha to a meal and cleared up her misunderstanding about him.
• Aisha asked where the Church was, and Su Yang explained that its Fallen Angels had been wiped out by Saint Jeanne's successor.
• Aisha felt lost after learning the Church offered her no refuge, while Ophis failed to remember Jeanne.
• The system issued Su Yang tasks to lure Aisha away and help Ophis pick panties.
• Su Yang invited Aisha to stay at his spacious home, and she thought he was a good person.

Su Yang persuaded Aisha to move in and help with household chores, completing a plot sign-in that rewarded him with an Advanced Heroic Spirit Summoning Array. He then took Aisha and Ophis to a lingerie store, where he stopped Ophis from exposing herself and reminded her of their promise.

• Su Yang offered Aisha food and lodging in exchange for help with cleaning and cooking, and Aisha agreed.
• Su Yang completed the plot sign-in for taking Aisha away and received an Advanced Heroic Spirit Summoning Array.
• Su Yang, Aisha, and Ophis arrived at a lingerie store so Ophis could get panties.
• Ophis tried to lift her skirt to show that she had no panties, but Su Yang stopped her and said she should only do such things for him.
• Su Yang reminded Ophis that she had promised to help him, and Ophis reaffirmed the promise.

Su Yang took Ophis shopping for panties, earned a Sacred Gear reward, and merged it with Kurma, the World Dragon’s power. The chapter ended when Jeanne found him and accused him of deceiving her.

• Su Yang brought Ophis to the shop, where she swallowed panties and caused a series of shopping mishaps before he paid 835,600 yen.
• Su Yang completed the plot sign-in and received the Infinite Dragon God's Jewel Sacred Gear Template.
• Su Yang merged the template with Kurma, the World Dragon, creating the Sacred Gear called the Sacred Heart of the World Dragon.
• Ophis pointed out Jeanne, who rushed over and accused Su Yang of deceiving her.

Su Yang tricked Jeanne into believing he had been delayed by Heige and Monkey King when she had left before he arrived, completing a sign-in mission and earning High-level Battle Qi. After Jeanne apologized and agreed to wait for him again, they exchanged contact information.

• Su Yang noticed Jeanne had returned to Kuoh Town and received a Plot Sign-in task to fool her again.
• Su Yang claimed he had arrived late because he fought Heige and Monkey King, who Jeanne believed had kept him from their meeting.
• Jeanne felt guilty for leaving early and apologized to Su Yang, completing his sign-in task.
• Su Yang received High-level Battle Qi and reassured Jeanne that he was glad she was safe.
• Su Yang asked Jeanne to wait for him again and exchanged contact information with her.

Su Yang parted ways with Jeanne and Ophis, then returned home with Aisha, where Amano Yuma greeted them. The chapter ended with Amano Yuma introducing herself to Aisha and revealing her other name, Riser.

• Jeanne left after giving Su Yang her Hero Faction base address and mistook Ophis for Su Yang’s little sister.
• After Jeanne departed, Ophis said the Khaos Brigade had sent people and left to avoid causing Su Yang trouble.
• Su Yang took Aisha home and ignored the hostile presence watching him, hoping it might provide a sign-in reward later.
• Amano Yuma greeted Su Yang at his villa with a teasing offer to serve him or let him eat her.
• Amano Yuma confronted Aisha and introduced herself as Riser.

Su Yang gave Aisha and Amano Yuma God's Familiar Chess Pieces, transforming Aisha into a ten-winged angel and Yuma into a ten-winged Fallen Angel. He judged that their wings promised future advancement but had not yet raised their strength beyond the level of a High-class Devil.

• Aisha recognized Riser as Amano Yuma, who said she had become Su Yang's servant.
• Su Yang offered Aisha a God's Familiar Chess Piece and told her he would explain it if she accepted.
• The chess piece merged into Aisha, triggering her transformation into a ten-winged angel.
• Su Yang gave Amano Yuma another chess piece, and she transformed into a ten-winged Fallen Angel.
• Aisha opened her eyes and prayed to Su Yang as her master.

Aisha accepted her new life as Su Yang’s angel and called him Brother, while Amano Yuma viewed her as a rival for Su Yang’s affection. In the Underworld, Ajuka proposed collecting all magical knowledge, and Sajex questioned how he planned to overcome the resistance.

• Aisha mistook Su Yang for the God of the Bible, but Su Yang said the God of the Bible had died.
• Amano Yuma told Aisha that Su Yang embraced all beings, and Aisha happily accepted Su Yang as her master and Brother.
• Amano Yuma grew jealous of Aisha and suspected Su Yang had given her the precious Servant chess piece for more than protection.
• Sajex reflected on Su Yang’s potential and Ajuka’s arrangement that had put the Four Great Satans to work.
• Ajuka arrived through a Transfer Array and announced that he wanted to gather all magical knowledge in the Underworld.
• Sajex warned Ajuka that devils would resist surrendering magic passed down through their lineages, and Ajuka began to explain his reason.

Ajuka and Sirzechs began pressing the Underworld’s demon families to support the Underworld Great Array Plan, while Su Yang remained unaware of their efforts. The next morning, Su Yang brought Aisha to the Student Council, where he triggered a sign-in tied to Sona Sitri’s glasses and met Sona.

• Ajuka showed Sirzechs a recording and analysis of Su Yang’s battle, prompting Sirzechs to join Ajuka in pushing the Underworld Great Array Plan.
• Ajuka and Sirzechs decided to approach Serafall first so Falbion would be pressured to join them.
• Over the next few days, the Four Great Satans visited demon families across the Underworld, leaving their heads miserable after each meeting.
• Amano Yuma woke Su Yang early, and Su Yang took Aisha to school to keep her from being led astray by Amano Yuma.
• Su Yang brought Aisha to the Student Council to handle her enrollment and triggered a silver location sign-in at Sona Sitri’s glasses.
• Sona greeted Su Yang with an unusually warm smile when he entered the Student Council room.

Su Yang helped Aisha, an exiled former Saintess, enroll at Kuoh Academy and then gave Sona a pair of glasses as an apology. When he put them on her, he received the Magic Eyes of the World Annulment as a sign-in reward.

• Su Yang told Sona that Aisha had been exiled from the Church and asked her to help Aisha enroll in his class.
• Sona agreed to let Tsubaki Shinra take Aisha to register.
• Su Yang invited Sona to play chess, but Sona refused because she knew she could not beat him.
• Su Yang offered Sona a pair of glasses as an apology and asked to put them on her.
• Su Yang removed Sona's glasses and received the Magic Eyes of the World Annulment as his sign-in reward.

Su Yang helped Sona with her new glasses, then arranged for Aisha to transfer to Kuoh Academy and brought her to the Occult Research Club. Koneko said Rias had arranged for Su Yang to visit that night, while Su Yang considered the urban legend of a young man granting blessings and punishments.

• Su Yang gave Sona Tactical Glasses and shared an intimate moment with her, leaving her flustered.
• Tsubaki and Aisha finished Aisha's transfer paperwork, and Tsubaki saw Sona acting unusually girlish in the Student Council room.
• Aisha began attending class and was surrounded by classmates after the lesson ended.
• Koneko told Su Yang that Rias had contacted the people he needed to meet and that he could go that night.
• Su Yang recalled the urban legend about a young man who blessed or punished people according to their answers.
• Su Yang explained Aisha's background to the Occult Research Club and asked her to greet everyone.

Su Yang offered to help Rias with her trouble involving Raiser of the Phoenix family and showed her a Holy Sword, implying he could defeat the supposedly immortal Devil. Rias was surprised by the weapon as the chapter ended.

• Rias welcomed Aisha to the group, and Aisha introduced herself to the others.
• Su Yang asked Rias for help with the Forest of Familiars and learned that something was troubling her.
• Rias explained that she was expected to face Raiser, a Phoenix whose ability to revive made him difficult to defeat.
• Su Yang said he was confident he could defeat a Phoenix and revealed the silver Holy Sword Esther, stunning Rias.

Su Yang showed Rias the Holy Sword Esther, whose dense Holy Power frightened her before Esther explained that Su Yang had overwhelmed her with Spiritual Power. After Rias revealed her troubles involving Phoenix, Su Yang met Sona and invited her to join him in the Forest of Familiars, where the Familiar Master appeared.

• Su Yang summoned Esther and unleashed such concentrated Holy Power that Rias felt she would die if struck by the sword.
• Esther told Su Yang that he had poured in too much Spiritual Power, and he explained to Rias that Esther herself was the Demon-Slaying Holy Sword.
• Rias began telling Su Yang about her problem involving Phoenix after Akeno hinted that Esther could help.
• Su Yang arrived at the Occult Research Club that night, where Sona joined him and Rias in going to the Forest of Familiars.
• The Familiar Master appeared and asked who wanted to catch a familiar, and Su Yang volunteered.

Su Yang searched the Forest of Familiars for Amaterasu Demon Dragon Tiamat, intending to subdue her and become a Dragon Knight. He found her asleep and prepared to wake her by force.

• Su Yang asked the Familiar Master for the strongest familiar and learned that Tiamat had recently visited the forest.
• Su Yang assured Rias and Sona that he could return safely, then used his perception to locate Tiamat's aura.
• Su Yang used the Avatar of Vamana, the Dwarf, to reach Tiamat while she slept.
• Su Yang shouted to wake Tiamat, but she kept sleeping, so he summoned a divine blade and spread countless Golden Ripples through the air.

Su Yang awakened Demonic Karma Dragon Tiamat and asked her to become his Servant, but she refused in favor of fighting him. He activated Kurma, the World Dragon’s Balance Breaker, and prepared to battle her.

• Su Yang pierced Tiamat with Dragon-slaying Divine Tools, awakening her in the Forest of Familiars.
• Su Yang revealed his Kurma, the World Dragon aura and asked Tiamat to become his Servant, but she declined and challenged him to a fight.
• Tiamat transformed into human form, then returned to her giant dragon form as Su Yang activated the Sacred Heart of the World Dragon.
• Su Yang entered Balance Breaker as the World Dragon Armor, unleashing power that impressed Tiamat, who declared it was still not enough.

Su Yang fought Tiamat to prove his strength and persuade her to help continue the dragon race. After transforming into the World Dragon, he immobilized her, while Sona and Rias watched the battle from afar.

• Su Yang asked Tiamat to work with him to continue the dragon race if he won, and she bristled at being called a substitute for Ophis and Great Red.
• Su Yang transformed into the World Dragon using Kurma Incarnation: Overlimit and challenged Tiamat to a dragon battle.
• Su Yang used the Magic Eyes of the World Annulment to freeze Tiamat in place.
• Sona and Rias sensed the powerful dragon auras, and Rias tried to fly toward the fight.
• Sona stopped Rias and argued that approaching would only endanger them and distract Su Yang.