crystal maiden (series), artist request, game cg, highres, official art, variant set, 1girl, black bow, blue eyes, boots, bow, bra, breasts, brown hair, cleavage, closed mouth, eyewear on head, floral print, full body, gloves, hair bow, hand on own hip, jen (crystal maidens), light smile, navel, panties, sitting, solo, sunglasses, transparent background, underwear, whistle, whistle around neck, white bra, white panties