4:5 absorption_vore after_transformation anal anal_vore anthro anus backsack balls big_balls big_butt bodily_fluids butt butt_transformation buttface corruption cum dark dark_theme digital_media_(artwork) e621 equid equine erection eyeless feet_first felching foreskin genital_fluids genitals group head_between_buttocks hi_res horse huge_butt lagomorph larger_male leporid limb_genitals long_foreskin male male/male male_penetrated mammal merging mot mutation nude open_mouth oral partially_inside penetration penis penis_arm penis_horn penis_limb pseudo_horn rabbit rear_view restricted_palette rimming sex size_difference slime slime_string smaller_male tail tail_aside tongue unusual_anatomy unusual_genitalia_placement unusual_limb unusual_penis_placement vore

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