Mysterious Heroine from Fate Grand Order

Third: small breasts, ponytail, blonde hair, sidelocks, medium hair, blue eyes, ahoge, baseball cap, bodysuit, long sleeves, shorts, thighhighs, coat over shoulders, unzipped

First: small breasts, ponytail, blonde hair, sidelocks, medium hair, blue eyes, ahoge, black baseball cap, jacket, scarf, shorts

Second: small breasts, ponytail, blonde hair, sidelocks, medium hair, blue eyes, ahoge, black baseball cap, jacket, scarf, buruma, open clothes, jacket, name tag

Ultra Heroine Z: small breasts, ponytail, blonde hair, sidelocks, medium hair, blue eyes, ahoge, white baseball cap, White jacket, White scarf, shorts

XX: medium breasts, age progression, ponytail, blonde hair, sidelocks, medium hair, blue eyes, ahoge, blue baseball cap, cropped jacket, White bikini, side-tie swimsuit, wristband

XX second ascension: medium breasts, age progression, blonde hair, sidelocks, medium hair, blue eyes, ahoge, power armor, mecha musume, mechanical arms, mechanical legs, helmet

XX first ascension: humanoid robot, robot joints, mechanical arms, mechanical legs, helmet, armored mask

Not gonna count XX first ascension towards the costume count, because it tooks way too much licenses and the resemblance is often very loose, but it... kind of works