Episode 7 takes place in the intense environment of the Privius Clock Tower, a highly magical device that periodically spawns monsters. The episode begins with the characters Desir Herrman, Romantica Eru, and Pram Schnaizer facing the challenges of the ranking tournament in the Shadow World. The trio competes against students of the Alpha Class, showcasing their growing strength and tactical prowess. Desir uses his knowledge of the Shadow World to guide his team through the challenges, emphasizing that strategy is more important than brute force. The team's cohesion and Desir's leadership skills become evident as they successfully outmaneuver their opponents.

A significant part of the episode revolves around the appearance of the Kildra Mouse, a terrifying monster that uses an entire battalion of mice as limbs and feeds on human blood.

Desir, Romantica, and Pram must quickly devise a plan to defeat this unexpected threat. The episode highlights the individual strengths of each team member. Romantica's magical abilities are put to the test as she attempts to trap the Kildra Mouse, while Pram's courage and quick thinking prove crucial in defeating the creature.