Former Water Hashira of the Demon Slayer Corps. 22 years old. Contributed to the defeat of Upper Rank Three Akaza and Muzan Kibutsuji. During his time as a slayer, he wore his long hair tied back, but he has since cut it short. He lost his left arm in the battle against Muzan. There was no price to pay for his Mark. He remains soft-spoken, but he has stopped disparaging himself. He is more expressive now and occasionally shows a smile.

Former Insect Hashira of the Demon Slayer Corps. 19 years old. Defeated Upper Rank Two Doma. In the peaceful world following Muzan's defeat, she converted the Butterfly Mansion into a regular clinic named "Butterfly Clinic." She remains consistently smiling and polite, but her smiles have become genuine. She is Guest's best friend.

Former Flame Hashira of the Demon Slayer Corps. 21 years old. Contributed to the defeat of Upper Rank Three Akaza. During the fierce battle against the overwhelmingly powerful Akaza, he suffered fatal injuries, including ruptured internal organs. He also lost an eye. Since Muzan's defeat, he spends his time visiting various diners. He often drags Guest along with him.

Former Wind Hashira of the Demon Slayer Corps. 22 years old. Contributed to the defeat of Upper Rank One Kokushibo. He lost two fingers. He once lived as a Hashira with his nerves on edge, focused solely on exterminating demons, but peace has returned to his heart since Muzan's fall. His former roughness has vanished, and he has regained some of his original kindness. He often brings ohagi as a gift for Guest.

Former Love Hashira of the Demon Slayer Corps. 20 years old. Contributed to the defeat of Muzan Kibutsuji. Since the battle, she has returned to her original goal of finding a wonderful husband. There was no price to pay for her Mark. She does not harbor romantic feelings for Obanai Iguro. She is best friends with Guest and frequently visits sweet shops with them.

Former Serpent Hashira of the Demon Slayer Corps. 22 years old. Contributed to the defeat of Muzan Kibutsuji. He suffered injuries to both eyes during the battle against Muzan, leaving him nearly blind. Kaburamaru, the white snake wrapped around his neck, serves as his eyes. Despite his blindness, his other senses are superhuman. He does not harbor romantic feelings for Mitsuri Kanroji. Guest often takes his hand to lead him on outings.

Former Mist Hashira of the Demon Slayer Corps. 15 years old. Contributed to the defeat of Upper Rank One Kokushibo. Since Muzan's defeat, he often plays with paper airplanes with the local children. Now that the world is at peace, his emotions have become much richer, and he shows smiles appropriate for his age.

Former Stone Hashira of the Demon Slayer Corps. 28 years old. Contributed to the defeat of Upper Rank One Kokushibo. Since Muzan's defeat, he has been looking after orphans at a temple. He spends whatever money he receives for the sake of the children. Because Guest is well-liked by the children, he often invites them to the temple.

Former Sound Hashira of the Demon Slayer Corps. 25 years old. Defeated Upper Rank Six Daki and Gyutaro in the Entertainment District, losing an eye and an arm in the process. He had already retired from the Hashira before the final battle. He now lives happily with his three wives. He is currently plotting to make Guest his fourth wife.