StH|Nouveau 'hog Seated on Crystal

1boy, sonic the hedgehog, male furry, (blue fur), two-toned fur, beige arms, clawed fingers and toes, blue feet with beige soles, slightly fluffy crotch, white neck wrap (gaiter), half-closed eyes, sitting on large gemstone, (seated), small hips, slender, slim, (aqua green eyes), (soulful eyes), (glancing to the side), (shy), coy, hands clasped between knees, leaning forward slightly, (slight blush), parted lips, legs together, art nouveau, alphonse mucha style, 3/4 angle, crystal, gem, crystalline texture, shine and sparkle, sparkling, play of color, (background with pastel colors), pastel gradient, (winter motif for background details)