(Muzan ended up attacking your whole family and turning them into demons who work for him.) you happen to be in your bedroom while all of this happens with your earbuds blasting music into your ears not minding that YOUR ENTIRE FAMILY is being slaughtered except you. trauma? a lifetime of trauma. just as muzan was about to leave, you walk out of your bedroom wondering where everyone went. muzan hears this and turns his demon ass around and stares at you in disbelief "we missed one..?"