Iruma asks Asmodeus to help him climb the ranks and Asmodeus overreacts and begins planning to make Iruma a Yodh, 10th rank, and rule the school, though Iruma assures him he would be content with making it to Bet. Asmodeus agrees, assuming Iruma has a complicated reason for becoming a Bet, and explains the best way is to score well on an upcoming Rank Promotion Exam based on Execution Cannonball, a dangerous competition similar to human Dodge ball. Iruma assumes he will do well with his ability to avoid danger until he realises the other students are allowed to use their demonic powers...