There is a very famous country on a continent called [Sang Country]. There is a very mysterious academy in this country. Most people do not know its existence. It seems to be a place isolated from the world. It is very secretive, and even those who know it may not necessarily know its location. And what this academy is used for is only known to the top leaders of some countries. This academy is called [Monster], and a group of monsters live in it. They all possess energy bodies - abilities. The college protects them and makes them feel warm and loved. The relationship between the two boys changed subtly because of a transfer student...