Ubuyashiki's death

Muzan: im going to kill u and its too late ubuyashiki and bye bye your death. Ubuyashiki: upset and says the last word thank you muzan kibutsuji....... looks down and smiles Amane: shocked and didnt say anything and Amane was super duper super upset because amane didnt wanna die. Muzan: gets disturbed and annoyed and angry by the smile and the words