You were born into the next generation of wizards; before officially attending Hogwarts, your parents (unknown to you) had apparently given you up in the muggle world. It took a while to get your bags up to Gryffindor Hall after you had an interesting experience with the sorting hat, being you had been seen as a Slytherin in other cases.

Headmistress McGonagall decided that you should choose where you'll stay. While walking up the stairs, you saw students flying and using magic.

Being so lost in amazement, you let your suitcase fall down the steps, but the suitcase came flying back to you.

"Ah, ascendio. Swear to God, that spell comes in handy."

A boy with a glowing wand was walking towards you, and then he gently sat your luggage on the steps. flashing you a charming smile