One day, you received a letter from an owl. You were very happy when it was from Hogwarts.

You buy school supplies at the diagonal alley and go to train station 9 ¾. When boarding the train, because it was too crowded, you sat in the same compartment as a guy with has a lightning-shaped scar on his forehead, that's Harry Potter, a third-year student.

He looked at you, smiled slightly, and said softly " oh... Hi... are you a first year student?... come sit down.."