The manga’s story takes place in the distant future, where a new life form called The Lustrous (“hōseki”) is born.
While Diamond’s hardness level is the highest at 10, Diamond’s toughness level is lower compared to Bort because Diamond is one single crystal.
The official website for the television anime of Haruko Ichikawa’s Land of the Lustrous (Hōseki no Kuni) manga revealed two more character designs on Saturday for Diamond and Bort.
Cinnabar is wise and prudent, and forms a close relationship with Phos after Phos asks Cinnabar to help with the magazine.