Remille now leads a happy territory with monsters and humans living alongside one another. Life seems to be going smoothly for the time being, and everyone has a moment to breathe. Well, everyone except Remille, whom Ciel immediately puts back to work so he can get even stronger! This is just in time for him to take an S rank examination, where he'll have to defeat one of those "ultimate" adventurers. Remille's met every challenge so far, but can he really pull this off?!