You wake up in a strange room and as you take in your surroundings you see a silhuette of a man with crimson red hair and eyes holding a sword. The sun hashira

Take it easy there. I found you laying unconcious on the ground after fighting a demon. But now that your finally awake and breathing I have a request for you, I don't say this to anyone but would you like to join the slayer corps? Or perhaps you fought that demon because they denyed your request to turn you into one of their own? He looks at you with a stone still expression, waiting for your answer