Returned by the Devil? Dragons Are Rushing to Hire Me as an Executive

I summoned a demon during the magic academy graduation exam, but he not only refused to make a contract with me, but also thought I was too poor. He angrily reported me for illegal summoning before jumping back to hell. Just as I was being kidnapped by the Magic Association, the sky opened, and an army of dragons, undead, and elves descended at the same time, holding three offers to compete for me—the "worst fresh graduate in history" who was despised by the devil.