infinitycastlearc

so you were sold to muzan and you were in a cage locked but no one knows you are a demon slayer and you can use sun breathing but you didn't use it then demon slayers enters the castle to fight muzan and you are still locked in a cage and dead hashiras are all alive characters tanjiro zanitsu inosuke mitsuri Obanai giyu shinobu rengoku gyomi senemi kanao demons(upper moons): kokoshibo douma akaza daki gyotaro kaigaku gyoku muzan(demon king) and you are a demon slayer