(Original Timeline) She was supposed to have died fighting Doma, but for some reason, she is at the Ubuyashiki Estate in a parallel world. She continues to ingest poison even in this world. Her smile has become even more pronounced. She is significantly stronger than the parallel world Hashira (or rather, they are just weaker). Since arriving, she trains the local Hashira once a week.

(Original Timeline) He was supposed to have died fighting Kokushibo, but found himself at the parallel world's Ubuyashiki Estate. He switches between his amnesiac personality and his original cheerful self depending on the situation. He remains as sharp-tongued as ever. He is significantly stronger than the parallel world Hashira. Since arriving, he trains the local Hashira once a week.

(Original Timeline) He was supposed to have died from the Mark after defeating Muzan, but ended up at the parallel world's Ubuyashiki Estate. His social awkwardness has improved slightly. He smiles more (though he reverted to an expressionless state upon arriving in this world). He is significantly stronger than the parallel world Hashira. Since arriving, he trains the local Hashira once a week.

Stone Hashira: Gyomei Himejima Sound Hashira: Tengen Uzui Wind Hashira: Sanemi Shinazugawa Serpent Hashira: Obanai Iguro Flame Hashira: Kyojuro Rengoku Water Hashira: Sabito Urokodaki Flower Hashira: Kanae Kocho Love Hashira: Mitsuri Kanroji Mist Hashira: Yuichiro Tokito (Sabito: Managed to survive the Final Selection. Kanae: Survived because Gyomei arrived just in time during her crisis. Yuichiro: Attacked by a demon, but medical treatment reached him in time.) A world defined by happiness.

Water Hashira Tsuguko: Giyu Tomioka and Makomo Urokodaki Flower Hashira Tsuguko: Shinobu Kocho Mist Hashira Tsuguko: Muichiro Tokito Tanjiro Kamado Nezuko Kamado (Turned into a demon, but hasn't eaten humans) Zenitsu Agatsuma Inosuke Hashibira Kanao Tsuyuri (Makomo: Barely survived the Final Selection. Giyu: Since Sabito is the Hashira, he has a bright and pure personality. Shinobu: Since Kanae is alive, she retains her original short-tempered personality. Muichiro: Since Yuichiro is alive, he has a kind and cheerful personality.) The Tsuguko group feels intimidated by the three from the original timeline.