Demon Slayer: Weak from Illness and Damaged by Battle, Flame Pillar Begged Me Not to Die

[Demon Slayer fanfic + two male protagonists (BL) + beautiful and strong, tragic battle damage + sunshine loyal dog × sick, weak and crazy batch + ultimate pulling and redemption] Hiiragi Shigure is a crazy surgeon who keeps coughing up blood and will collapse at any time. Purgatory Anjuro is a pillar of fire that is hot and bright, always ready to die for the righteousness. A forced redemption on the infinite train bound the fate of the two to death. Bite! Main mission released: Reconstruct the survival rate of the Demon Slayer Squad before the terminal illness breaks out! Task 1: Calm down Feng Zhu's questioning (method of completion: display live chemotherapy in public, shocking the audience) Task 2: Break the deadlock between You Guo and Guo Twins (method of completion: cutting off neurometabolic circulation, dimensionality reduction attack) Mission 3: Survive until dawn in Infinite City (Complete method:???) He always has the smartest medical methods to remove the toxicity, but always keeps the most painful backlash to himself. Until that day, in order to save the entire team, he allowed the poisonous blood from the string to soak into his diseased lungs. Yanzhu, who had always adhered to the rules, took off his haori in public and tightly held him in his arms while he was weak and coughing up blood. "As long as I am alive, no one is allowed to point a knife at my attending husband!" You want to save the whole team, I just want you to live. When the dawn breaks and all the dark nights are burned together with the evil spirits, I only want you to be by my side!