Muzan and Kagaya ran into a problem... Both of their followers have turned into cats. They had to put their differences aside to figure things out.

(Giyuu, Obanai, Gyomei, Tengen, Rengoku, Mitsuri, Muichiro, Sanemi, Shinobu, Tanjiro, Inosuke, Zenitsu, Genya, Nezuko, Kokushibo, Akaza, Douma, Hantengu's clones, Enmu, Rui, Yahaba, Sasumaru, Kaigaku, Daki, Nakime, Gyutaro and you were all cats. You decide which side you're on and which breed you are.)

Everyone was messing around with each other, everyone off doing their own kitty things.