Chapter Summaries

Lin Guang killed a demon in front of Tanjiro Kamado, activating his Myriad Worlds Treasure Box System. Sakonji Urokodaki welcomed Tanjiro and Nezuko, then challenged Tanjiro to consider what he would do if Nezuko ate a human.

• Sakonji Urokodaki took Lin Guang to investigate reports of disappearances near the mountain’s foot, where they found Tanjiro fighting a demon at a shrine.
• Nezuko kicked the demon’s head off, and Lin Guang used Water Breathing, Fourth Form: Striking Tide to cut its body in half.
• Lin Guang killed the demon’s head with his Nichirin Blade, activating the Myriad Worlds Treasure Box System and receiving a Novice Treasure Box.
• Sakonji Urokodaki praised Lin Guang’s swordsmanship and introduced himself to Tanjiro, who confirmed that he and Nezuko were the ones Giyu Tomioka had sent.
• When Sakonji Urokodaki asked what Tanjiro would do if Nezuko ate a human, Lin Guang answered that he would kill her and then take his own life to atone.

Lin Guang gained the Ice-Ice Fruit and a Spatial Ring from the system, then decided to take part in the Final Selection to try to change the fates of Urokodaki's former disciples. Sakonji Urokodaki approved Tanjiro and set Lin Guang a test: cut through a massive boulder.

• Tanjiro promised to kill Nezuko and take his own life if she ever harmed innocent people, and Sakonji Urokodaki led him and Lin Guang in burying the dead civilians.
• Sakonji Urokodaki tested Tanjiro by making him carry Nezuko while running to his house, then took Tanjiro up Mount Sagiri for a further test as Lin Guang stayed behind with Nezuko.
• Lin Guang opened the Novice Treasure Box, received the Ice-Ice Fruit and Spatial Ring, and discovered that he could turn his body into ice.
• Lin Guang told Sakonji Urokodaki he wanted to enter the Final Selection, and Tanjiro returned exhausted after passing Urokodaki's test.
• The next day, Sakonji Urokodaki required Lin Guang to cut through a massive boulder before he could qualify for the Final Selection, and Lin Guang considered combining the Ice-Ice Fruit with a Breathing Style.

Lin Guang developed Ice Breathing by combining the Ice-Ice Fruit's power with Water Breathing, while Tanjiro mastered Water Breathing and cut through his boulder. Lin Guang and Tanjiro prepared to face Final Selection, promising Sakonji Urokodaki that they would return alive.

• Lin Guang trained on Mount Sagiri and created Ice Breathing by channeling the Ice-Ice Fruit's power into his sword techniques.
• Over the following year, Tanjiro mastered Water Breathing with Lin Guang's advice and sparring, while Lin Guang honed Ice Breathing by cutting boulders.
• Makomo reassured Lin Guang that she and Sabito had been worried about him and were happy he had created his own Breathing Style.
• Tanjiro cut through his boulder, and Lin Guang praised his clean, decisive strike.
• Sakonji Urokodaki admitted he feared sending Lin Guang and Tanjiro to Final Selection, but they promised they would come back alive.
• Sakonji Urokodaki prepared a lavish meal for Lin Guang and Tanjiro.

Lin Guang and Tanjiro began the Final Selection on Mount Fujikasane, where they quickly encountered and killed two demons. Lin Guang discovered that his system rewarded demons he killed with treasure chests, and he considered separating from Tanjiro to collect more.

• After dinner, Urokodaki warned Lin Guang and Tanjiro that demons grew stronger by eating people and gave them Disaster-Repelling Masks.
• The next day, Lin Guang and Tanjiro left for the Final Selection, and Urokodaki watched them go with worry.
• At Mount Fujikasane, Lin Guang recognized Zenitsu Agatsuma, Genya Shinazugawa, and Kanao among the applicants before he and Tanjiro entered the demon-filled woods.
• Lin Guang and Tanjiro fought back-to-back and each used Water Breathing to behead one of two attacking demons.
• Lin Guang received a Wooden Treasure Chest for the demon he killed and realized that Tanjiro's kills did not earn him chests.

Lin Guang and Tanjiro confronted the Hand Demon, who revealed that he had eaten many of Urokodaki’s disciples, including two Tanjiro mourned. The Hand Demon attacked them as they fought together, and Tanjiro leaped into the air after sensing a demon beneath the ground.

• Lin Guang saved a human from the Hand Demon and faced the demon, who recognized his fox mask as one carved by Urokodaki.
• The Hand Demon revealed that he had eaten about fifty people and described killing two of Urokodaki’s disciples who wore fox masks.
• Tanjiro attacked the Hand Demon in anger, but his sword broke and Lin Guang rescued him from a reaching hand.
• Lin Guang urged Tanjiro to steady his breathing and survive, and the two fought together against the Hand Demon’s many arms.
• Tanjiro sensed a demon beneath the ground, leaped into the air, and called out to Lin Guang.

Lin Guang and Tanjiro defeated the Hand Demon during final selection, and Tanjiro prayed for the demon to be reborn without becoming one again. Afterward, Lin Guang told Tanjiro they would split up so each could pursue their own tasks.

• Lin Guang dodged the Hand Demon's underground attacks and revealed that the demon had eaten his childhood friends, whom Urokodaki had raised alongside him.
• Lin Guang and Tanjiro fought through the Hand Demon's arms, and Tanjiro helped Lin Guang leap within striking distance.
• Lin Guang beheaded the Hand Demon with Water Breathing: First Form, and Tanjiro prayed over the demon as it dissolved.
• Lin Guang received five Wooden Treasure Chests, remembered his promise to the fallen students, and praised Tanjiro while warning him to control his emotions.
• Lin Guang told Tanjiro that he was strong enough to survive alone and proposed that they split up.

Lin Guang hunted demons on Mount Fujikasane during the Final Selection and reunited with Kanao, who had secretly entered without Shinobu Kocho’s knowledge. After encouraging Kanao to make her own choices, he spent the remaining days with her, and the seven-day selection ended.

• Tanjiro agreed to split up with Lin Guang so he could pursue his goal of finding a demon who knew how to turn Nezuko human.
• Lin Guang killed demons through the day and night, collected Wooden Treasure Chests, and wondered whether he had cleared Mount Fujikasane of demons.
• On the fourth night, Kanao killed a demon before Lin Guang could claim the kill, and she initially failed to recognize him behind his fox mask.
• Lin Guang reminded Kanao of their past, took away her coin, and learned she had secretly joined the Final Selection without Shinobu Kocho knowing.
• Lin Guang praised Kanao for making her own decision and asked her to explain her actions to Shinobu when she returned.
• Lin Guang traveled with Kanao for the next three days, and the seven-day Final Selection came to an end.

Lin Guang reunited with Tanjiro after surviving Final Selection, and the survivors received their ranks and Kasugai Crows. After Genya Shinazugawa attacked one of the attendants over his sword, Lin Guang stopped him, and the group moved on to choose the steel for their swords.

• Lin Guang and Kanao returned to the clearing, where the people Lin Guang had rescued thanked him.
• Tanjiro told Lin Guang that he had encountered demons but could not get them to explain how to turn Nezuko back, and Lin Guang encouraged him to keep searching.
• The attendants welcomed the survivors, assigned them the lowest rank of Mizunoto, and gave each a Kasugai Crow.
• Genya Shinazugawa demanded his sword, threw off his crow, and grabbed the white-haired attendant by the hair.
• Lin Guang restrained Genya and identified himself as Sakonji Urokodaki's disciple before Genya threatened to remember him.
• The black-haired attendant presented the tamahagane, and Lin Guang led Kanao and Tanjiro to choose their steel.

After choosing materials for their Nichirin Blades and completing Final Selection, Lin Guang and Tanjiro returned to Mount Sagiri, where they reunited with Nezuko and Sakonji Urokodaki. Urokodaki learned they had killed the Abnormal Demon and prepared them for future battles against demons with Blood Demon Arts.

• Lin Guang chose tamahagane compatible with the Ice-Ice Fruit, while Tanjiro and Kanao selected their own steel.
• The youths who felt unfit to fight demons joined the Hidden Department, and the rest of the Final Selection participants dispersed.
• Lin Guang and Tanjiro returned to Mount Sagiri and found Nezuko awake; Tanjiro embraced her and wept.
• Sakonji Urokodaki welcomed Lin Guang, Tanjiro, and Nezuko home, relieved that his students had survived.
• Lin Guang and Tanjiro told Urokodaki they had killed the Abnormal Demon, and he explained that they would face demons with Blood Demon Arts.

Lin Guang opened 48 Wooden Treasure Chests, received a Frost Haori that dulled enemies’ senses, and continued training to grow stronger. Twenty days later, a man carrying a long cloth-wrapped box arrived at Sakonji Urokodaki’s cabin, where Tanjiro noticed him.

• Tanjiro asked whether Nezuko’s unusual condition came from a Blood Demon Art, and Sakonji Urokodaki suggested she regained strength through sleep instead of eating humans.
• Lin Guang opened 48 Wooden Treasure Chests and received potions, clothing, and a Frost Haori that slightly reduced enemies’ ability to sense him.
• Lin Guang put on the Frost Haori, considered how it might help him in battle, and trained on the mountaintop.
• Twenty days later, a man carrying a long box arrived at Sakonji Urokodaki’s cabin, and Tanjiro saw him outside.

Haganezuka delivered the Nichirin Blades he forged for Tanjiro Kamado and Lin Guang, then explained how the swords changed color for their owners. Tanjiro’s blade turned pitch-black and Lin Guang’s turned pure white, leaving Haganezuka frustrated and Tanjiro caught in his grip.

• Haganezuka introduced himself and brought the finished Nichirin Blades to Tanjiro and Lin Guang.
• Haganezuka explained that Nichirin Blades were forged from sunlight-absorbing materials and would change color when drawn by their owners.
• Haganezuka noticed Tanjiro’s reddish hair and eyes, then predicted his blade might turn red while wondering what color Lin Guang’s would become.
• Tanjiro and Lin Guang drew their blades, which turned pitch-black and pure white respectively.
• Haganezuka shouted in disappointment over Tanjiro’s black blade, grabbed him in a hold, and answered that he was thirty-seven when Tanjiro asked his age.

Lin Guang received his Nichirin Blade, and he and Tanjiro were assigned to investigate a town where young girls were disappearing. Before they left, Sakonji Urokodaki gave Tanjiro a box to carry Nezuko in and encouraged Lin Guang to pursue his goal of becoming a Hashira and defeating Muzan Kibutsuji.

• Haganezuka explained that Lin Guang's unusual tamahagane had resisted normal forging temperatures, and Lin Guang apologized for the trouble it caused.
• Two Kasugai Crows ordered Lin Guang and Tanjiro to investigate a town in the northwest where a girl disappeared every night.
• After resting for a day, Lin Guang and Tanjiro put on their Demon Slayer Corps uniforms and prepared to leave for their first assignment.
• Sakonji Urokodaki explained the uncertainty surrounding black and white Nichirin Blades, while Tanjiro reaffirmed his resolve to turn Nezuko human.
• Sakonji Urokodaki gave Tanjiro a lightweight wooden box for Nezuko, and Nezuko climbed inside.
• Sakonji Urokodaki wished Lin Guang safety, and Lin Guang vowed to become a Hashira and destroy Muzan Kibutsuji.

Lin Guang and Tanjiro arrived in a town where young women had been disappearing at night and investigated the disappearance of Satoko. Tanjiro detected a faint, elusive demon scent but no blood, and began tracking it through the town.

• Sakonji Urokodaki told Tanjiro that Muzan Kibutsuji was the first demon and might know how to turn Nezuko back into a human.
• Lin Guang and Tanjiro traveled to the northwest town assigned by their Kasugai Crow.
• After hearing townspeople discuss Satoko’s disappearance, Lin Guang asked Tanjiro to remember the scent of the distressed man, Kazumi.
• Lin Guang and Tanjiro questioned Kazumi and examined the alley where Satoko had vanished.
• Tanjiro found a faint demon scent near the ground but no blood, then began searching the town to track the demon.

Lin Guang and Tanjiro confronted the Swamp Demon after rescuing a girl from its black-water hiding place. The demon multiplied and escaped their attacks, and Lin Guang prepared to track its next appearance by sensing moisture.

• Tanjiro followed the demon’s scent to an alley, where he stabbed the ground and exposed the Swamp Demon’s black-water pool.
• Lin Guang rescued the girl, and the Swamp Demon surfaced before diving back into the water when Tanjiro questioned him.
• The Swamp Demon split into three identical demons and attacked Tanjiro, but Lin Guang cut off their outstretched arms.
• Lin Guang reprimanded Tanjiro for fighting rashly and told him to protect Kazumi and the girl while he handled the demon.
• Lin Guang sensed moisture in the alley and located where the Swamp Demons were likely to emerge.

Lin Guang killed two of the Swamp Demon's three forms and captured the last one alive, while Kazumi learned that Satoko had been eaten. Tanjiro confronted the demon and resolved to become stronger.

• Lin Guang severed the two-horned Swamp Demon's arm and killed the three-horned and two-horned forms, but neither death triggered a system notification.
• Lin Guang froze the black water, captured the one-horned Swamp Demon, and demanded that he answer Kazumi's questions.
• The one-horned Swamp Demon revealed a collection of hairpins, and Kazumi recognized Satoko's red ribbon and began to cry.
• Tanjiro realized he needed more strength, then confronted the Swamp Demon over the people he had killed.
• The one-horned Swamp Demon claimed the women would have become ugly and tasted bad, and Tanjiro slashed his mouth to silence him.

Tanjiro and Lin Guang defeated the One-Eyed Swamp Demon and comforted Kazumi before leaving town. Lin Guang opened the demon’s Black Iron Treasure Chest and gained the Spirit Eye, then received their next assignment: Asakusa in Tokyo Prefecture.

• The One-Eyed Swamp Demon panicked at Muzan Kibutsuji’s name, attacked Tanjiro, and was beheaded by Lin Guang, who collected a Black Iron Treasure Chest.
• Lin Guang told Tanjiro that Muzan had likely made demons unable to speak his name and reassured him that Nezuko could still be turned human.
• Tanjiro comforted Kazumi, and Lin Guang gave him a bundle containing belongings taken from the demon, including Satoko’s hairpin.
• Kazumi apologized as Lin Guang and Tanjiro left, and Tanjiro urged him to care for the surviving young woman.
• Lin Guang opened the chest and gained the Spirit Eye, which gave him enhanced dynamic vision and the ability to see invisible things.
• The next morning, a Kasugai Crow sent Lin Guang and Tanjiro to investigate reports of a demon in Asakusa, Tokyo Prefecture.

Lin Guang and Tanjiro arrived in Asakusa with Nezuko and explored the brightly lit city while investigating for demons. As they sat down to eat udon, Tanjiro suddenly sensed something and dropped his bowl.

• Lin Guang and Tanjiro traveled to Asakusa after receiving their next mission from the Kasugai Crow.
• Tanjiro marveled at the city’s lights and crowds, and Lin Guang brought Nezuko out to see the sights.
• Lin Guang bought snacks and walked through Asakusa holding Nezuko’s hand while Tanjiro followed.
• Lin Guang and Tanjiro stopped at a noodle cart, ordered udon with grated yam, and looked for anything strange.
• Tanjiro’s expression changed, and he dropped his bowl of udon.

Tanjiro found Muzan Kibutsuji in the night market, where he was posing as a father with a human family. After Muzan turned a passerby into a demon and escaped with the woman and child, Tanjiro vowed to hunt him down, while Lin Guang judged that he was not yet strong enough to kill Muzan.

• Tanjiro smelled Muzan in the city and rushed toward the night market, with Lin Guang following him.
• Tanjiro recognized Muzan and drew his blade, but froze when he saw Muzan with a little girl and a woman he called his family.
• Muzan scratched a passerby, turning him into a demon, and Tanjiro restrained the attacker before he could bite anyone else.
• Muzan led the woman and child away, and Tanjiro shouted that he would pursue Muzan to the depths of hell and take his head.
• Police officers arrived and ordered Tanjiro to release the restrained man, while Lin Guang watched from a rooftop and concluded he could not yet defeat Muzan.

Lin Guang and Tanjiro encountered Tamayo and Yushiro, who helped contain a newly turned demon, and Lin Guang suggested Tamayo might know how to turn Nezuko human again. After returning to Nezuko, the group spotted Yushiro waiting beneath a tree.

• Tanjiro tried to keep the officers from approaching the newly turned demon, and Lin Guang stepped in to protect him.
• Tamayo and Yushiro appeared amid a floral illusion, and Tamayo agreed to help with the demon and his wife.
• Muzan Kibutsuji ordered two subordinates to find and kill the Demon Slayer wearing hanafuda earrings.
• Lin Guang told Tanjiro that Tamayo might know how to turn Nezuko human, then stopped him from rushing back to find her.
• Lin Guang and Tanjiro returned to the noodle stall, apologized to Nezuko, and noticed Yushiro waiting nearby.

Lin Guang, Tanjiro, and Nezuko met Yushiro and followed him through a hidden entrance to Tamayo's mansion. Tamayo explained how she and Yushiro lived without eating people, then questioned whether Lin Guang was truly an ordinary member of the Demon Slayer Corps.

• Yushiro reluctantly led Lin Guang, Tanjiro, and Nezuko to Tamayo, while Tanjiro argued that Nezuko was beautiful.
• Yushiro revealed a hidden passage through a wall, and Lin Guang and Tanjiro entered the mansion behind it.
• Yushiro warned the visitors not to disrespect Tamayo before bringing them inside to meet her.
• Lin Guang asked about the people Tamayo had been handling, and Tamayo said the woman was safe and her husband was locked in the dungeon.
• Tamayo explained that she had freed herself from Muzan Kibutsuji's curse and needed only a small amount of human blood to survive.
• Lin Guang reassured Tanjiro that Tamayo would not kill anyone for blood, prompting Tamayo to ask whether Lin Guang belonged to the Ubuyashiki Family.