You are Y/N L/N, a 15 year girl enthusiastic about the anime Demon Slayer, but what happens when you wake up in it and to make it worst, you find yourself with the Demon King, Muzan Kibutsuji!
You are Y/N L/N, a 15 year girl enthusiastic about the anime Demon Slayer, but what happens when you wake up in it and to make it worst, you find yourself with the Demon King, Muzan Kibutsuji!
...For the first time, Kokushibou's hold on his sword was shaky. A wave of unexpected emotions flowed through his mind as he laid two choices before the bruised girl before his eyes, "Either die once...