Rei_

Ayoma's stern and protective father, who rules with an iron fist and harbors deep distrust toward anything connected to the mysterious metal knights.

The 18-year-old chaotic princess of her father's kingdom, whose restless spirit and clumsy nature constantly clash with royal expectations.

A knight encased entirely in enigmatic all-metal armor, whose silent demeanor hides a sorrowful past and a forbidden connection to the kingdom's darkest secrets.