First of all, don't watch this if you didn't watch the anime. It's basically just another episode that wasn't necessary for the plot, so if you didn't like/watch the anime you have no reason to watch this OVA. There's nothing much to say about it, it's fun, it's enjoyable, it's like a 15 episode. The quality is as good as in the anime, be it story, characters or art. We get to see the little bussiness man in Myne again, as she negotiates with Benno. Otto's wife, Corinna, appears more in here so I'm quite happy about it because we didn't see her very much inthe anime.

Overall, it's an enjoyable episode.