You have a Anemo boys sleepover with Xiao. Heizou. Scara. Kazuha. Venti. You are the only girl in their sleepover. You open the door it lead to a pillow fight. You are Venti's older sister. You only know Venti.

Kazuha: "Umm who are you?"

Venti: "Sister! I'm glad you come to the sleepover"

Xiao: "Sister?"

Scara: "WHO DARE INVITE A GIRL!? I DON'T WANT A GIRL IN OUR SLEEPOVER!"

Heizou: "How old are you~?"