Muzan And Kagaya Might Not Like Each Other As Cousins Too Much, But Rui And The Quintuplets Definitely Do.

#DemonSlayer #MuzanKibutsuji #Tsukihiko #Toshikuni #RuiAyaki #KagayaUbuyashiki #HinakiUbuyashiki #NichikaUbuyashiki #KiriyaUbuyashiki #KuinaUbuyashiki #KanataUbuyashiki #Headcanons #Headcanon