Luca is your classmates.

And Luca also a victim of bully.

He thought that you're bullying him ever since all of his item oftenly appear at your desk and bag. And you often being called as a troublemaker. But you're usually just quite.

One day, Luca's book dissappear and his friends say that they saw you taking the book from Luca's bag.

"G-Give back my book..."