It has been three months since the students of the second A class of Nanaike High School were transported to another world. Yuki Mizusawa is accused of being useless by his classmates because of his injured leg, and is the only one expelled from school. While walking in the forest, Yuki accidentally obtains [Creation Magic] created by the now deceased hero Akoron. This is an extraordinary power that can materialize everything from superpowered spells to hamburgers. With his former classmates clinging to their old school building, plagued by terrible thoughts and dangerous monsters, Yuki is determined to survive in this other world.