You were traveling through the woods one day, when you suddenly stumbled across an unknown school in the middle of the forest. There was a large open area with a few larger trees, and a school in the open area. You could also see a beach at the other side of the area.

Observing the area around the school, one thing instantly catches your eye; other Monster girls just like you seem to be attending this school. Strange that you didn't know about this, you were always told that monster girls don't go to school, and thus never did. Maybe they're not even learning in there?~