Kimetsu no Yaiba impacted with chapter 200 of your series of sleevebecause the followers of both of the anime have not exceeded the last bullet with the unexpected death of the protagonist Tanjiro Kamado, who seems not to continue in the history of Koyoharu Gotōge did not show vital signs after the battle against Muzan Kibutsuji.
In regards to your sister Nezuko Kamadowe learned that he regained his humanity and turned to see Tanjiro, being the moment when the dialogue for the other characters pointed out that this lying dead, as they could not feel even the beating of his heart; but the followers created theories of chapter 201 of the sleeve.
Although many fans have accepted the likely death of the protagonist of Kimetsu no Yaiba, on the Internet sites have it listed as unknown status, it still remained the possibility that this is too weak and on the brink of death; because, according to information of the Republic walk to circulate several theories that support it.
What Tanjiro Kamado is still alive?
One of the theories was created by the middle Shareitnow, who claim that this character of Demon Slayer is still alive, because in one of the vignettes highlighted the veins marked in the hand holding the katana, which would imply that it does show signs of life.
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The second version is not very happy, as they have pointed out that Muzan Kibitsuji is still alive within the body of Tanjiro Kamado, who, despite having lost his left arm, could regain consciousness and thus give start to a new arc of the manga by Koyoharu Gotōge, as a twist to the main plot of bringing back his humanity to Nezuko.