crystal maiden (series), artist request, game cg, highres, official art, variant set, 1girl, bare arms, bare hips, bare shoulders, blue hair, breasts, cleavage, closed mouth, collar, dana (crystal maidens), facial tattoo, full body, groin, holding, holding polearm, holding weapon, long hair, looking at viewer, navel, no headwear, pink eyes, polearm, solo, tattoo, transparent background, trident, weapon