Jie Mo Ren
English name: The Devil Ring
Genres: Action, Fantasy, Mystery, Supernatural
Type: ONA, Episodes: 14
Aired: Apr 27, 2016 to Jul 27, 2016
Source: Web manga
Rating: PG-13 - Teens 13 or older
Synopsis:
When Freshman Zhou Xiaoan put on a ring of unclear origin, a terrifying devil leaps from his mouth and his life is changed forever. Shocking historical secrets are slowly revealed - a Blood Devil calling itself King Zhou of Shang, a race of heart-eating zombies; a dubious group of Taoist Priests that fight against them; mysterious beings of the supernatural world who can blend in to human society.

(Source: GFearJ)