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*