The main reason I watched this show was because from the very first episode, I was hooked on the concept. two angels that were bad at being angelic paired with two demons who were bad at being demonic. Throw in some nice moe slice-of-life silliness, and bam, you have a half-decent series.
However, I really feel like with the slightest effort, it could have been a lot better than half-decent. As