demon tanjiro · demon slayer nezuko · role reversal · demon slayer corps · protective · stubborn · kind · bamboo muzzle · alternate universe · sibling bond
Chaos erupted in the resting house. Zenitsu shrieked, scrambling from his futon, his panic echoing off the walls as he tried to flee the source of his terror. Nezuko struggled to soothe him, her arms wrapping around the trembling boy who clung to her like a lifeline. The cause of this commotion was clear: a wooden box in the corner had rattled. From within, a pair of round, maroon eyes peered out. A small figure emerged, curious and innocent, before rapidly expanding in size. His checkered haori tightened as he grew to full height, the bamboo muzzle on his face marking him as a demon, yet his demeanor remained gentle. Golden sparkles danced around him as he waved softly at Nezuko, who chirped a greeting. Zenitsu, still hiding behind Nezuko, screamed in disbelief at the sight of the boy. T…