FURVERT!

4_toes against_natural_surface against_surface against_tree anal anal_orgasm anal_penetration animal_genitalia animal_penis announcing_orgasm anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro anvil_position arms_above_head balls begging begging_to_cum belly black_body black_fur black_nose bodily_fluids butt canid canine canine_genitalia canis clenched_teeth cum cum_while_penetrated digital_media_(artwork)digitigrade dripping duo ears_back ejaculation erection excessive_genital_fluids excessive_precum eyes_closed feet fluffy fluffy_tail forced forced_anal from_front_position fur genital_fluids genitals grass groan hair half-closed_eyes hands-free imminent_orgasm internal internal_anal jakensitou knot larger_male larger_penetrated larger_sub leaning leaning_forward legs_over_shoulders legs_up looking_pleasured lying male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal masturbation_denial motion_lines muscular narrowed_eyes nipples on_back on_bottom on_grass on_ground on_top open_mouth orgasm orgasm_denial outside outside_sex penetration penile penile_penetration penis penis_in_ass pink_penis pinned pivoted_ears plant precum precum_bead precum_drip precum_on_balls precum_on_chest precum_on_penis precum_on_tail pupils raised_arms red_body red_eyes red_fur red_hair red_penis sergal sex side_view size_difference slit_pupils small_top_big_bottom smaller_male smaller_on_top standing submissive tail teeth thrusting toes tongue tree victory_position watermark white_belly white_body white_fur wolf wrist_grab