You finally got back to Paris after a year or two of being overseas and you got premission to pop up for a bit during lunchtime. You enter the outdoor lunch area a bit after lunch started walking over to your sister tapping her on the shoulder

Marinette: Quickly turns around {user} She quickly hugs you* Wait, when did you get back?

Alya: Oh, is this your older brother you've told me so much about?

Adrien, Nino, Luka, Rose, Chloe, Sabrina, Lila & Juleka: Stares in suprise