1girl, ass, back, bikini, chain, cosplay, crotch, dimples_of_venus, em_(totsuzen_no_hakike), fake_horns, from_behind, g-string, gertrud_barkhorn, hair_ribbon, horns, oni_costume, oni_horns, ribbon, sarong, shiny_skin, shoulder_blades, simple_background, skindentation, solo, standing, strike_witches, sweat, swimsuit, thong, twintails, white_background, world_witches_series