The Demon & Mrs. Clean Shuriken School : Season 1 Episode 10

A mysterious demon creates havoc in the school, spreading rubbish throughout the corridors and classrooms. Not only are students terrified by this mystery phantom, but also they get punished by the teachers, who blame them for the mess. Our three heroes try to understand what is going on here, and find out who the demon really is. They are in for a few surprises!