Rule 34 Dev - anthro balls black_background bodily_fluids body_part_in_mouth close-up duo erection eyewear fellatio female genitals glasses half-closed_eyes heart_eyes heart_symbol irrumatio lidded_eyes looking_at_another looking_at_partner looking_up looking_up_at_partner male male/female mature_female narrowed_eyes open_mouth oral oral_invitation oral_only oral_penetration penetration penile penis penis_in_mouth saliva saliva_on_penis saliva_on_tongue sex side_view simple_background straining tongue tongue_on_penis tongue_out tongue_out_blowjob vein veiny_penis primocreatore undertale undertale_(series) toriel toriel_(dogzeela) boss_monster_(undertale) bovid caprine goat human mammal 16:9 3d_(artwork) 3d_animation animated blender_(artwork) digital_media_(artwork) hi_res no_sound short_playtime webm widescreen|16781061815