The story begins when Higashi Akari, a young man who aspires to become a chef, travels to another world. The person who picked up Shuri was Gungrave, the leader of the mercenary group. Shuri joins her mercenary group as part of her chores, and gradually increases the value of her existence by demonstrating her cooking skills. The captains of the mercenary group all had their own quirks, but Akari was able to connect with them through her cooking. Little by little, by improving the mercenary group's food situation and occasionally helping with their inventions, Akari gradually gains recognition from her fellow mercenary group members. However, Juri doesn't know yet. She hopes to become a hero in her own right...