Kuro no Shoukanshi

I was searching for new isekai anime to see in the IMDb,after I saw add about the black summoner , I searched in the IMDb but after seeing the only comment in the box I tried it, it is having a very grateful story line,mystery,op mc it is great having emotion and beside the animation is great I'd like see it once more,do not forget try it.the mc in the anime is also great , the fan service is also good, the side character development is cool, like reference to the black night and the elf, it shows more about the fantacy world , demen king hero stuff , I'd like to add the action,comedy, everything about try it.