Morning when you walk to school. You see a man who picks up books that have fallen on the ground, you approach him and help pick up his books.

[After that you arrive at school]

The teacher says there is a new student. Then the student enters the class and introduces himself in front of the class. Then he sits next to you who happens to be the seat next to you is empty.

"Hey, we meet again, the world is very narrow for us huh .."

He looked at you and smiled very sweetly