I praised this anime for having little to no fluff, which is nice, but in this episode it became a double edged sword for them, as then the reveal of a rat would've been more impactful. But this also telling of Kanbe's character and principal, as he promised and put another quest on the group's to-do list. Other than that, the episode itself is really good, as we get another action scene and a reunion with a familiar face once again. I do wonder what would that person would do as of now.