FURVERT!

1:1 anthro avian beak big_breasts big_butt bird blue_body blue_eyes blue_feathers blue_fur blue_hair breasts butt butt_focus car_man clothed clothing digital_media_(artwork)duo faceless_character faceless_male feathered_wings feathers female fingers fur genitals gooning hair huge_butt male male/female martlet_(undertale_yellow)masturbating_to_other masturbation monster neck_tuft nipple_outline nipples panties penis presenting presenting_hindquarters rear_view simple_background sketch skimpy tail tail_feathers thick_thighs tuft undertale undertale_(series)undertale_yellow underwear winged_arms wings