M3: The Dark Metal (2014)
TVアニメ「M3~ソノ黑キ鋼~」PV2
In a dark void known as the Lightless Realm, a group of children meet and bond, but are then separated and returned to their own dimension. Years later, these children reunite to fight "Admonitions," monsters that originate from the same void, using robots known as "Vess." However, their efforts only slow the ever-encr...