His Living Doll (Muzan x OC x Tanjiro)

Her smile, her innocence, her kindness, her warmth was gone after Muzan Kibutsuji ordered for her resurrection. A living corpse is what she is. Her eyes were soulless, hollow and cold, like a corpse. She cannot think for herself and will do whatever you say, just like a living doll. But what happens when a certain re...