Recaps

Kanzaki Kumo joined the Demon Slayer Corps, trained in Thunder Breathing, and passed Final Selection with Makomo after killing the Hand Demon. He reached Mount Sagiri to begin learning Water Breathing, and Makomo asked him to help Giyu open up.

• After Kaigaku broke the temple's demon-repelling incense, Kanzaki Kumo helped Gyomei Himejima restrain a demon until sunrise, then joined the Demon Slayer Corps with Gyomei.
• Kagaya Ubuyashiki arranged for Jigoro Kuwajima to train Kumo in Thunder Breathing, and Kumo mastered its forms before traveling to Kanzaki Keizan’s grave.
• Kumo returned to a strange village and killed the turtle-like demon that threatened a woman, then went back to Mount Momiji and prepared for Final Selection.
• At Mount Fujikasane, Kumo helped unprepared participants withdraw and saved Makomo from the Hand Demon, which he killed with Thunderclap and Flash.
• Kumo and Makomo passed Final Selection, chose materials for their Nichirin Blades, and traveled together to Mount Sagiri.
• Kumo demonstrated copied Water Breathing forms to Sakonji Urokodaki, who agreed to teach him, while Kumo promised Makomo he would try to help Giyu open up.

Kanzaki Kumo helped Giyu overcome his grief, advanced through the Corps, and became the Rumble Hashira after defeating Lower Rank Three. He established the Butterfly Mansion, brought Kanao into a safe home, trained Makomo, and helped Kanae begin her own path as a Demon Slayer.

• Kanzaki Kumo copied Sakonji Urokodaki’s Water Breathing forms, then worked with Sabito to provoke Giyu into facing his grief over his sister’s death.
• Kanzaki Kumo and Makomo completed their first mission together, and he later developed a new sword form before returning to increasingly dangerous assignments.
• Kanzaki Kumo defeated Byōyō while saving Kanae Kocho, met the Butterfly family, and invited Butterfly Zemu to join the Corps.
• Kagaya Ubuyashiki named Kanzaki Kumo the Rumble Hashira, and Kanzaki chose to guard the Medical Department and rename it the Butterfly Mansion.
• Kanzaki Kumo reunited with Makomo, then rescued Kanao from her abusive parents and brought her to the Butterfly Mansion, where she chose the surname Tsuyuri.
• Kanzaki Kumo put Makomo through intensive training until she could defeat most Kinoe Swordsmen, while Kanao grew comfortable in her new home.
• Kanzaki Kumo agreed to support Kanae Kocho’s choice to become a Demon Slayer and brought her to Mount Sagiri, where Sakonji Urokodaki accepted her as a disciple.
• Kanzaki Kumo told Urokodaki he intended to pursue both Makomo and Kanae, then encouraged Kanae to use Water Breathing as a reference for developing a style of her own.

Kanzaki Kumo learned Flame Breathing, helped Kanae create Flower Breathing, and faced the complicated feelings of the women close to him. After training with Gyomei, he reunited with Mitsuri and offered to help her control her strength.

• Kanzaki Kumo completed Water Breathing’s Eighth Form, Storm of Blossoms, then traveled to the Rengoku residence and learned Flame Breathing from Shinjuro Rengoku.
• Kanzaki Kumo comforted Mitsuri Kanroji after she was mocked for her appetite and appearance, and Mitsuri was glad to have made a friend.
• Kanae created Flower Breathing, passed Final Selection with Makomo, and told Kanzaki Kumo she would see how he handled his feelings for the women he cared about.
• Kanzaki Kumo admitted his feelings to Makomo and Kanae, promised to take responsibility, and began training Kanae until she could fight on her own.
• Kanae mastered Flower Breathing’s first six forms, developed the seventh form, Iris Gale, and completed her special training with Kanzaki Kumo.
• Makomo became a Hashira, reunited with Kanae at the Butterfly Mansion, and teased Kanzaki Kumo about his relationships.
• Kanzaki Kumo trained intensely with Gyomei Himejima for two months and improved enough to overpower Shinjuro Rengoku in their clashes.
• Kanzaki Kumo reunited with Mitsuri, offered to teach her to control her strength, and met her brothers at the Kanroji home.

Kanzaki Kumo killed Upper Rank Five Gyokko after rescuing Makomo, then recovered and helped Mitsuri face her feelings for him. As the Hashira reorganized their patrols and trained new slayers, Kumo recruited Sanemi Shinazugawa and asked Kagaya to find Sanemi’s brother Genya.

• Kanzaki Kumo visited Kanzaki Keizan’s grave with Kanae and shared the story of his life, then rushed to save Makomo when Gyokko attacked her.
• Kanzaki Kumo rescued Makomo from Gyokko’s water prison and defeated the Upper Rank with Divine Judgment, but overtaxed his body and needed extensive treatment at the Butterfly Mansion.
• After recovering, Kanzaki Kumo told the Hashira about Gyokko and warned them against attacking the Eternal Paradise Cult, then finally answered Mitsuri Kanroji’s letters and visited her.
• Kanzaki Kumo explained his other relationships to Mitsuri, who admitted her confusing jealousy, while he promised to let her decide what she wanted from him.
• Kanzaki Kumo trained under Gyomei, visited Mitsuri with Kanae, and later helped reorganize Hashira patrols while testing Sabito and Giyu in combat.
• Kanzaki Kumo encountered Sanemi Shinazugawa trapping a demon, killed it with poison, and recruited Sanemi into the Demon Slayer Corps.
• After learning that Sanemi’s family had been killed by his demonized mother and that Genya had misunderstood the killing, Kanzaki Kumo asked Kagaya to find Genya and sent word about recruiting Sanemi.