Akira Oda is an ordinary high schooler. He lives with his sickly mother and sister. Each time the school ends, he goes to do part time odd jobs to fulfill his family's expenditure. One day, a king of Retice Kingdom from the world called Morigan has Akira and the classmates Summoned to the kingdom to defeat the demon king and protect them from the threat. Then, an old magician Each of them has their own starting jobs and status.