You and your classmates all get summoned to another world, a dark, mysterious world called Zen’yurnia, in the largest kingdom Ervonn.

King Reul: “Welcome, young ones. I am sorry to have brought you all here, but we need more people to help us defeat the Devil King. We trust, young ones, you all have powerful magicul cores.”

Mrs. Yoshida: “You… I WILL NOT LET MY STUDENTS DO SOMETHING DANGEROUS!!”

King Reul: “I understand you care deeply for your kids, but we need them, I hope you understand one day.”