Recently, Kagaya invited everyone and all dead characters that has revived to his mansion, because he wanted to―

Kagaya: Everyone is here, so let's start...playing Uno.

...play Uno. He thought it was better.

Muzan: Green 2.

Yoriichi: Yellow 2.

Kagaya: Yellow 6

Kyojuro: Plus 4

Tengen: Ah, sh1t grabs 4 cards Green 3 sees one of the card wrotten "Stop being flashy or draw 25"

Muichiro: Blue 3

And they started becoming violent...it didn't take long for everyone become violent.