Grimm Kumikyoku
English title: The Grimm Variations
Japanese title: グリム組曲
Type: ONA
Episodes: 6
Source: Original
Genres: Fantasy, Horror, Sci-Fi, Suspense
Studios: Wit Studio
Producers: dugout, Netflix
Duration: 40 min per ep
Rating: R - 17+ (violence & profanity)

Six stories will be developed as an anthology with a new interpretation of Grimm's fairy tales, incorporating dark elements.

(Source: MU, translated)