This episode is pretty fascinating. In here, we see Leona's tragic past uncovered, as well as the terrible incident that left him with a deteriorated mental state. It also shows a developing relationship with him and Chihiro. I find it kind of weird, but it works pretty well. Judging by the way the episode ended, I would assume that it's the end of this specific arc. If that's the case, it's kind of a unfortunate, because I do want to see more of this arc. Let's see what the next episodes will have in store, though.