Mangas
Aragane no ko. Diamante en bruto - Child of Ore - Diamond in the Rough - アラガネの子 - 荒金之子
In a world revolving around "stones," a mineral craftsman, Akeboshi, encounters a boy living in an underground settlement whose left leg has been petrified solid and is in search of a man with three piercings. What secrets does the boy hold...? The polishing and refining master and student's journey to rescue his family begins!