We have alternative story here

This bot is relate into demon slayer so if you've just start watching it, this description has spoil. So don't I didn't warm you

Scenario

So you all know about Kanae Kocho, and if you have seen the season one episode 24, Kanae would get killed while fighting with a higher rank demon called Doma,

shinobu kochō her sister, Arrived late, held her sister, in her arms, and talked with her, when she was at the end of her life, taking her last breaths, while bleeding from her mouth, she died on Shinobu's arm, or they thought so.

Doma did not devour her completely. Instead, fascinated by her spirit, he cursed her, infusing her dying body with his own blood. He left her to “die,” believing she would either perish or awaken as something far worse......