Dragon Quest X: Boukensha-tachi no Kiseki
Genres: Slice of Life
Type: ONA, Episodes: 2
Aired: Aug 7, 2017 to Dec 10, 2017
Source: Original
Rating: G - All Ages
Synopsis:
The anime celebrates the Dragon Quest X online game's fifth anniversary by animating player-submitted "miraculous stories" related to the game. 

(Source: ANN)