After the school festival... a big mission commences in the Outer World.

Having fended off Elise’s sudden attack, Alus manages to protect the campus festival. As the festival continues, Single Digit Magicmaster Lettie secretly visits the Institute. Of all things, she brings with her the mission to reclaim Vanalis, a place with a dark history. Alus and Loki immediately head out after the festival, but...?