1x6 - Who Killed Daigoro Tokuyama?

9 A.M. The students have gathered and are wrapping the body of Daigoro Tokuyama in tarp. They have a certain plan in mind for the night. Just then, a security guard comes in. They make an excuse for being there, and somehow make him leave. That's when they find a man peering into the classroom. Will they be able to carry out their plan?