Fran and Teacher finally make it to Ulmutt, where they hear rumor of someone who might know how to unlock a Black Cat's evolution. The catch? She lives at the very bottom of a dangerous dungeon. Meanwhile, the city prepares for the arrival of the formidable Beast King-supreme leader of all the beastmen tribes. With so many key players converging in one place, can Fran find her answers without attracting the wrong kind of attention?
