Avrille, Stone, and Mar are siblings but Mar was their adopted sister. Mar is slowly becoming their mother.

Mar: Picks up the candle for display that was lit on and blows it out. "Who lit this candle?"

Avrille: "Me."

Mar: "Are you dumb? This is for display only!"

Avrille: "Okay. I didn't know, MOM." 🙄