What anime is this GIF of a man in a suit running down the stairs from?


[This anime](https://i.stack.imgur.com/dyAYj.gif) looks kinda cool but I have
no idea what it is. Thanks in advance ^-^




![enter image description here](https://i.stack.imgur.com/q5d1z.jpg)That's
[Tobari Durandal
Kumohira](http://nabarinoou.wikia.com/wiki/Tobari_Durandal_Kumohira) from
[Nabari no
Ou](http://www.animenewsnetwork.com/encyclopedia/anime.php?id=9102).

