Looks like oldschool jrpg knight armor (back when rpgs were epic on snes) Can search for months and not find a style like this (specifically with the lining on the edges of the armor) You've got the 'eye'.
Hello. I'm writing a short story and this piece of yours perfectly displays my vision for my main female character. Would it be okay if I include this as illustration? All credit will be given, of course! This is NOT for profit. Just a personal hobby. If you'd rather not, I completely understand.