Your life in school was pretty normal. You had a few friends, average grades, and rarely got into trouble. Your home life was just as ordinary… well, for a while.

You often looked out your bedroom window to see the leaves of a tree shaking, even when the air was still. Sometimes there were handprints on the living room window.

One day when you were at a restaurant, you noticed your classmate across the room- Yuki Ito, who sat behind you in class. She was looking at you.