Recaps

Teiichi trained the Corps, helped Nezuko overcome sunlight, and brought Tamayo into the Corps’ research efforts. He then joined Tengen Uzui’s search for his missing wives in the Entertainment District, where Daki’s presence emerged and Zenitsu was placed in a house.

• Teiichi sparred with Tanjiro and the other young slayers, explained that Hinokami Kagura was Sun Breathing, and began overseeing training at the Butterfly Mansion.
• Teiichi drove the recruits through repeated mountain climbs and combat drills, while Kanae and Shinobu prepared to help train them.
• Kanae’s tests showed that Nezuko’s blood resisted wisteria, and Nezuko gradually endured sunlight and spoke to Tanjiro again.
• Kagaya learned that Nezuko had conquered sunlight and withheld the news from Muzan while seeking ways to accelerate the Corps’ research.
• A Kasugai Crow invited Tamayo to assist the Corps, and she joined Kanae and Shinobu’s research with Yushiro.
• Tengen reported that his wives had disappeared while searching the Entertainment District, and Teiichi agreed to join the mission with Tanjiro, Inosuke, and Zenitsu.
• Teiichi used his Wind Field to locate Daki’s cavern but waited to avoid letting her escape, while Tengen watched over the district and Zenitsu was sent to a geisha house.

Tanjiro and the others uncovered Daki and Gyutaro’s shared weakness and fought to behead them at the same time. The battle continued as Tengen poisoned and wounded pushed into the fight against both siblings.

• Zenitsu confronted Daki to protect a little girl, while Tanjiro drew Daki away from the crowd and Tengen and Inosuke pursued the demons.
• Inosuke broke into the cavern beneath Ogimoto House and freed Hinatsuru, Makio, Suma, and Zenitsu from Daki’s sashes, while Teiichi helped them escape.
• Tengen cut off Daki’s head, but Gyutaro emerged and restored it, revealing that both siblings had to be beheaded simultaneously.
• Tanjiro fought Daki and cut off her head, but she reattached it and badly wounded him before Zenitsu and Inosuke joined the battle.
• Zenitsu used Thunderclap and Flash: Godspeed to cut off Daki’s head and carry it toward Tengen, but her head exploded and she soon regrew it.
• Gyutaro’s poison weakened Tengen as the slayers tried to bring Daki to his battlefield, but the siblings reunited before they could be beheaded together.
• Tengen attacked the siblings with explosive charges, wounded Daki, and severed her head again while fighting off Gyutaro’s blood blades and Daki’s sashes.

Teiichi helped defeat Gyutaro and Daki, then brought Nezuko’s sunlight resistance to Kagaya Ubuyashiki and set out to find a stronger Nichirin Blade. At the Swordsmith Village, he accepted Tetsumoto Homura’s challenge to fight Yoriichi Type Zero and began testing the mechanical doll’s limits.

• Tengen Uzui and Inosuke fought Gyutaro while Tanjiro and the others struggled against Daki, until Teiichi arrived and subdued both demons.
• Nezuko used her flames to cure Tengen Uzui’s poison, but Daki and Gyutaro later exploded after Muzan intervened.
• Teiichi returned with the injured to the Butterfly Mansion, where Kanae and Shinobu treated them and collected the demons’ blood for research.
• Teiichi discussed ways to inform Muzan of Nezuko’s resistance to sunlight, then asked Kagaya Ubuyashiki to investigate the surviving Upper Ranks.
• Teiichi visited the Swordsmith Village to replace his damaged Nichirin Blade, but Tetsumoto Homura refused until Teiichi accepted a challenge involving Kotetsu’s mechanical doll.
• Teiichi found Kotetsu, learned about his family’s forging tradition, and went with him to see Yoriichi Type Zero.
• Teiichi fought Yoriichi Type Zero, matched its growing strength and speed, and realized its movement depended on winding and gears driven by collisions.

Teiichi stayed in the Swordsmith Village, helped Mitsuri pursue a stronger blade and pushed her to train without holding back. When he left to investigate possible traces of Doma, he encountered Muzan at a train station and fought him until Muzan escaped to the Infinity Castle.

• Teiichi commissioned a heavy, unusually resilient Nichirin Blade from Tetsumoto Homura, while Kotetsu began learning to help forge it.
• Kagaya Ubuyashiki ordered the Corps to gather information on suspected cults linked to Doma without confronting them, as reports from Kuroishi Village and Osaka revealed the Eternal Paradise Cult.
• Teiichi met Mitsuri in the Swordsmith Village and helped arrange a new flexible blade after Tecchin Tecchikawahara said he could no longer forge one to her specifications.
• Teiichi urged Mitsuri to stop limiting her strength to find a husband, and she trained against Yoriichi Type Zero and sparred with Teiichi.
• Mitsuri grew close to Teiichi during their training and meals, while Tengen Uzui arrived to have a more resilient Nichirin Blade forged.
• After a Kasugai Crow delivered a request to investigate possible traces of Doma, Teiichi left alone and recognized Muzan at the train station.
• Teiichi fought Muzan across the station, repeatedly cutting him and preventing him from attacking passengers until Muzan escaped into the Infinity Castle.
• Muzan’s roar briefly knocked Teiichi unconscious, and Teiichi recovered as his damaged Nichirin Blade broke apart, and Muzan collapsed in the Infinity Castle and cursed him.