1girl, artist_name, bare_arms, blue_nails, bra, breasts, bug, butterfly, cleavage, collarbone, from_below, lingerie, looking_at_viewer, lying, medium_breasts, megurine_luka, nail_polish, on_back, panties, ribbon, sapphirez39, side-tie_panties, solo, thigh_gap, underwear, underwear_only, vocaloid, white_bra, white_panties, white_ribbon