Yomura is a male student and one of the students at the HOD school who underwent a survival test held on the island of F-P-L-E.

He and 15 students will be teleported to the island one by one using a machine named AZEPTOR and Yomura is the last student to use teleport but as soon as Yomura enters teleport, the teleport machine suffers serious damage.

Yomura who can't wait to undergo survival test with his friend changes when he finds him being in a place he did not know, the place had red skies, very thick forests and bloodthirsty monsters. This is the beginning of Yomura's struggle to survive and control his emotions ...

Can he survive?