Netflix announced its partnership with CLAMP in early 2020. CLAMP has produced 20 character designs for the project.
According to Variety, the anime will introduce a "modern twist" to The Brothers Grimm's Fairy Tales, and it will have elements of the horror and suspense genres.
In the Hansel and Gretel episode, when the old woman is explaining to the children that the world is flat and has an "end", there is clearly a globe on the book shelf in the background.