Synopsis

The chapter revolves around the protagonist being unexpectedly assigned to train students while the principal is away, despite his reluctance. He's advised to use unorthodox methods, and the students are warned to try and attack him. Simultaneously, a group of hunters, including an S-rank, enters a D-rank dungeon, which turns out to be far more tranquil than expected, raising suspicion about its true nature and the Ark's interest in it.