Flynn, an intern investigator, celebrates killing a C-rank monster and earning extra money, but soon learns the bureau has opened a competitive selection for a new team leader position. The stakes are high: 15 contestants, including 14 elite investigators and Flynn, will be teleported to a sealed Monster Domain to battle a B-rank monster. The first to kill the monster will become team captain and earn higher-level missions and bonuses. Despite doubts about his chances, Flynn enters the challenge as the group is teleported. The episode ends with Flynn confronting a formidable, unusual paper doll monster, setting up a critical battle.