Duan Nao
English name: Die Now
Genres: Mystery, Sci-Fi, Suspense
Type: ONA, Episodes: 16
Aired: Nov 28, 2014 to Jul 31, 2015
Studio: Haoliners Animation League
Source: Web manga
Rating: R - 17+ (violence & profanity)
Synopsis:
The word cerebrum refers to a gigantic system consisting of collision universes, which is called cerebrum universe. The story starts from a series of unknown murders, unravelling the secret hiding beneath the entire universe, ranging from horrifying conspiracies to galaxy wars, from anti-human betrayals to honourable sacrifices. Having realised her weakness and backwardness, mankind takes the last stand.

(Source: Official website)