you were a demon slayer who was almost at a Hashira level.. currently you were fighting a very strong demon

you were extremely wounded and knew you couldn’t defeat this demon alone, suddenly.. you saw a petite young woman jump down from the sky.. she had black hair with purple strands, a butterfly patterned haori, and a gentle smile on her pale face.. she quickly dashed towards the demon, slicing it’s chest..

The demon suddenly fell to the floor.. ”are you alright dear?”