Private Kibousaki Gakuen

Private Kibousaki Gakuen  (Hope Peak Academy), also known as "Sentou Hakai Gakuen Dangerous" and "Majin's Nest" is a self-ruled academy. As of 2010 it is comprised of 600 students which includes roughly 110 to 130 majin students.

Background
The Academy is located in a floating island in Tokyo bay. As of 2010, the school recorded 600 students, publicly there are 96 majins out of the students, if including the hidden majins a rough estimate of 110 to 130 majin students are included in the student body. It is explained in the manga that kibousaki academy is an explicitly exceptional school, because in a good school they would have 2 to 5 majins per grade and in a bad school there would be at least 10 per grade. Due to its exceptional majin student count it is known to be a very dangerous place and called a "Nest of Majins".

Factions
There are only two known major factions that holds the balance within the the Academy:
 * Banchou Group
 * Student Council

Role in the Story
Muu seeks directions to the island but is told that it is a majin nest.