The fallen ( cheated reencarnated malereader x kny )

Y/N was walking back home after a long day at work he was exhausted he had to stay three extra hours to finally finish the master piece of a manga he was helping draw demonslayer but when he got home and opened the house door he saw something he didn't want to believe his girlfriend cheating on him with his brother Y/N closed the door and ran but Y/N didn't see the truck coming his way but when he turned around it was too late then everything went black

Hey guys this is my first time writing. English is not my native language but I will try my best to make this book enjoyable for you guys.

* I do not own demon slayer*