happyundergate, oyama mahiro, onii-chan wa oshimai!, commentary, highres, 1girl, :d, ahoge, animal ears, animal hands, brown eyes, colored inner hair, dog ears, dog tail, fang, fewer digits, fur trim, gloves, grey hair, jewelry, light blush, long hair, looking at viewer, multicolored hair, navel, necklace, open mouth, paw gloves, pink hair, simple background, smile, solo, tail, tooth necklace, two-tone hair, w, white background