A monster that comes to be when mamono mana dwells within lifeless armor. In the illustration, she has the form of a half-transparent female clad in armor, but that’s only how they look to their husband. In the eyes of all other humans, they don't look female at all, and instead they appear like an empty suit of armor moving around by itself. If they don't have an owner, they will attack men in pursuit of a husband in some cases, but for the most part they result from armor that continued to fig