Huyan Zhuo, from Fate Grand order

ILLUSTRIOUS

Second Ascension: blue eyes, long hair, grey hair, streaked hair, single hair lock, chinese hairpin, high collar, armored bodysuit, armor, gauntlets, body markings, asymmetrical legwea

Maid: blue eyes, long hair, grey hair, streaked hair, ponytail, maid outfit,criss-cross halter, cleavage, body markings, thighighs, maid headdress, garter straps, wrist cuffs, gloves

Swimsuit: blue eyes, long hair, grey hair, streaked hair, twintails, hair rings, detached collar, necktie, detached sleeves, rabbit ears, sunglasses, rabbit-shaped eyewear, asymmetrical legwear, one-piece swimsuit, side-tie swimsuit, thigh strap, eyewear on head

PONY

Her basic appearance tags: hairpin, long hair, grey eyes, hair ornament, multicolored hair, green hair, streaked hair, white hair, let tattoo

Her armor tags: grey bodysuit, high collar, armor, shoulder armor, single pantsleg, gauntlets, asymmetrical clothes, pauldrons, bodysuit, thighs, breastplate, covered navel

You can go more basic, dont need all those tags, if you say "armored bodysuit" is usually enough, but since its a detailed complex armor being specific gives better results.

https://civitai.com/models/355220/huyan-zhuo-fate-grand-order-xl-pony-illustrious