Yuoni: Rises

In a countryside town, lives a fifth-grader named Shuji. Due to "grown-up stuff", he constantly has to move house. Slowly, he learns hard lessons about friendships and how fragile they can be, and grows distrustful.
"Ever heard of the Tsun?"
One day, Shuji learns of a school ghost story from Goto, who is the boss of the kids around the area.
Because of the story's absurdity, Nami dismisses it as a silly rumor. Shuji doesn't take it seriously either, until...

[From Steam]