It is the boys' final year of school. Kibum is famous for being the "-king" of he school, Heechul and his dance group are trying to gain more popularity from students, and Kangin learns more about the man in the panda suit. A sudden attack happens at the school carnival. Students are willing to know who the attacker is. Will it be someone from the dance group "Ultra Junior", The Judo Society, or the Student Body? Nobody knows. Who will it be?