The site is listing six sets of two episodes each for a total of 12 episodes.
The first home video release is slated for release in Japan on December 20.
The official website for the television anime of Haruko Ichikawa’s Land of the Lustrous (Hōseki no Kuni) manga revealed its DVD and Blu-ray Disc home video releases on Saturday.
In the distant future, microscopic organisms have left the planet desolate and given way to a new life form: Houseki.