Cang Yuan Tu: Dongning Fu Fanwai Pian
English title: The Demon Hunter: Dongning Mansion Special
Japanese title: 沧元图 东宁府番外篇
Type: ONA
Episodes: 4
Source: Web novel
Genres: Action, Adventure, Fantasy
Producers: Youku
Duration: 23 min per ep
Rating: PG-13 - Teens 13 or older