da-negi, perlica (arknights), arknights, highres, 1girl, alternate breast size (larger), animal ears, blue eyes, blush, breasts, bright pupils, bulge, collarbone, completely nude, cowboy shot, erection, erection under clothes, flying sweatdrops, frown, grey background, grey hair, huge breasts, long hair, looking at viewer, navel, nipples, nude, polka dot, polka dot background, puffy nipples, solo, steaming body