Heibai Wushang
English title: The Unparalleled Black & White
Japanese title: 黑白无双
Alternative titles: Black and White Warriors
Type: ONA
Source: Manga
Episodes: 12
Status: Finished Airing
Aired: Jul 9, 2015 to Feb 25, 2016
Duration: 10 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Wawayu Animation
Genres: Action, Comedy, Supernatural

A story about two young demons who are always slacking off at work, a place that happens to be an organization that vows to keep the balance between the worlds of the living and dead by killing humans!

(Source: Cave Scanlations)