yoru no yamai, ia (vocaloid), vocaloid, alternate breast size, commentary request, highres, 1girl, ahoge, blue eyes, blush, braid, breast press, breasts, closed mouth, curvy, fang, full body, grey hair, hair between eyes, head on pillow, large breasts, long hair, looking at viewer, lying, navel, nipples, nude, on bed, on side, pillow, solo, sunlight, sweat, thick thighs, thighhighs, thighs, twin braids, underwear, window