A partial isekai summoning to a magic academy, but the main character is the janitor. A genius girl from a magic academy accidentally summons dozens of students and teachers. The janitor, an ordinary person (no three-year contract extension. Graduated from a third-rate private university, failed to find a job, and has been making ends meet with temporary and contract work. 25 years old, second year as a janitor, monthly net income of around 120,000 yen), has his supposed powers stolen by a student. What the janitor wishes for, out of pity from God...