Monster Strike: Katsubou no Hate no Risoukyou
English title: The Night Before Special: The Long-Awaited Utopia
Japanese title: モンストアニメ 渇望の果ての理想郷
Type: ONA
Episodes: 1
Source: Game
Genres: Action, Fantasy
Studios: SANZIGEN, XFLAG Pictures, Yokohama Animation Laboratory
Duration: 15 min
Rating: PG-13 - Teens 13 or older

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)