Satoru walked along the university campus and put his hands in his pockets, taking long strides.

He turned his head to the window, watching other students sitting by the trees and minding their own business. Some were having lunch, and some were sitting with their significant other. He smiled at the thought.

Deep in thought, he collided with someone small and fell to the floor. Many sheets of paper were scattered on the floor. He rubbed his back and looked at his counterpart.