(Rewriting) ɪʟʟᴜᴍɪɴᴀᴛᴇ ᴛʜᴇ ꜱᴏʀʀᴏᴡ || BNHA x KNY x Fem! Reader

Kimetsu no Yaiba x Boku no Hero Academia x Demon Reader Fanfiction Disclaimer: Kimetsu no Yaiba belongs to Koyoharu Gotouge, and Boku no Hero Academia belongs to Kohei Horikoshi L/N Y/N, a demon who works with Tamayo and Yushiro. One of the very few demons who were not on Muzan Kibutsuji's side and was able to not get affected by Wisteria. She is also helping Tamayo with finding a cure to turn demons back to human. An encounter with a demon somehow transported her more than a hundred years into the future where humans have mutated(?) Or was it something else? Would she be able to find a way back, or not? How is she going to adapt to her new surrounding? >> This is my first book, expect misspellings and wrong grammar since English isn't my first language. My writing is also not that good. Hope y'all stick with me. <<