Rule 34 Dev - 1:1 5_fingers 5_toes abs anthro ass avian barefoot beak beckoning big_breasts biped bird black_body black_feathers blue_beak blue_body blue_feathers blue_hair blue_tail blue_tail_feathers bottomwear bra breasts clothed clothing digital_media_(artwork) feathers feet female fingers gesture hair hi_res humanoid_feet jamrolypoly long_hair looking_at_viewer martlet_(zenith_form) muscular muscular_anthro muscular_female neck_tuft non-mammal_breasts plantigrade simple_background smile soles solo tail tail_feathers thick_thighs toes tuft undertale undertale_(series) undertale_yellow underwear white_background wings yellow_sclera|13629080104