1girl, bra, breasts, closed_mouth, curled_horns, demon_girl, demon_horns, demon_tail, hiroki_(yyqw7151), horns, large_breasts, long_hair, looking_at_viewer, machikado_mazoku, panties, red_eyes, red_hair, simple_background, sitting, solo, tail, underwear, underwear_only, white_background, white_bra, white_panties, yoshida_yuuko_(machikado_mazoku)