According to Dengeki Online, the TV Anime of Hataraku Maousama! (はたらく魔王さま！) was announced and will be aired in 2013. Written by Satoshi Wagahara (和ヶ原聡司) and illustrated by 029, Hataraku Maousama! is a Japanese light novel revolves around a demon king Satan who was transported to Tokyo of our world and ends up doing part-time jobs instead of conquering his world. We also quite satisfied with the voice cast that Ryota Ohsaka (逢坂 良太) will play Satan while Yoko Hikasa (日笠陽子) will play the female protagonist Emilia. Guess it would be one of our most expected series next year. Will bring up the airing schedule when available.
The story centers around a demon king named Satan who is one step away from conquering his alternate world when he is transported to Tokyo of our world. He ends up having to work part-time at a fast food restaurant to make ends meet. In order to conquer Japan, he has to first move up from a freelancer to an actual employee. Meanwhile, the heroine Emilia has arrived in Japan also, in pursuit of Satan.