ashot02 about 10 years ago http://www.animenewsnetwork.com/news/2010-04-02/kami-no-mizo-shiru-sekai-manga-gets-anme-green-litInb4 Jun Fukuyama as Keima.
Giant+Robot about 10 years ago im surprised it didnt get made sooner, the manga actually uses a bit of anime styled art fake "screencaps"also I feel like I may want to throw my money behind Daisuki Ono, or Akira Ishida (though his voice is probably a bit high for the roll)