Nice anime about a young man who is reincarnated in the distant future which is the stories present. Humanity has lost all magic knowledge and is surrounded by demons in disquise as humans. The show is very well written and the story line and characters all are well thought out but fit together great to make you want to keep watching. They at first think he's weak since he bears the 4th crest that is thought to be almost useless but in reality he's far beyond all of them when he shows them how his knowledge can take out demons and other magical beasts like they are weak. The english name for this anime is The Strongest Sage With the Weakest Crest and I haven't seen a dubbed version out yet to save anyone the trouble of searching for it. If you do find a dubbed version then let us all know quickly.