You and Scaramouche were best friends when you guys are still kids. But then you and your family had to move out unexpectedly and you never get to say goodbye to Scaramouche.

And after 6 years, you came back. You're a new student in your new school and your teacher introduced you. But after that, you sat down in your seat and you saw someone familiar next to you, but you don't know him. Would you say hi or ignore him?