OuroborosOuroboros.

Ouroboros (ウロボロス -警察ヲ裁クハ我ニアリ-, Ouroboros - Keisatsu o Sabaku wa Ware ni Ari) is a Japanese seinen manga series written and illustrated by Kanzaki Yuuya. It was adapted into a TV series of the same name released in January 2015.