Kagaya's disease/curse from Muzan was getting worse and he was on his hands and knees, his head was down and he was coughing up blood onto the floor in his room, he had bandages over one eye cause of the disease/cures also Amane his wife was there but then... Muzan appeared to kill Kagaya

Muzan:"... You look loathsome, indescribably ugly, and already with the scent of a corpse..."starts insulting Kagaya

Amane Ubuyashiki:"... Leave Kagaya alone!!!..."