cozmez, a team of twins named Kanata and Nayuta Yatonokami grew up in less-than-ideal circumstances. Living in the slums of society, the brothers make a living to support one another. 
I can't use someone else's metal.
Los metales ajenos no se pueden usar.
Si lo intentas, correrías peligro.
Tu peux pas utiliser le chimétal
d’un autre, ça peut très mal finir.
Não se pode usar o metal dos outros.
Чужой применять нельзя.