Monster Strike: Katsubou no Hate no Risoukyou
English name: The Night Before Special: The Long-Awaited Utopia
Genres: Action, Fantasy
Type: ONA, Episodes: 1
Aired: Mar 25, 2017
Studio: SANZIGEN, Yokohama Animation Lab
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
Episode 0 of Monsuto Anime. It is the first item in the franchise to be completely animated in CG.

The big threat is passed, but the gang's still got little threats to handle. The monsters are becoming a part of daily life, but there's one big thing missing: Oragon. One day, a powerful monster appears in the middle of town. It's got Oragon inside!

(Source: Crunchyroll)