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abs anal anal_penetration anthro anus ass_to_mouth backsack balls biceps bisexual butt comic dialogue english_text equid equine erection eyes_closed fellatio female foreskin fur genitals greyscale group group_sex hair hi_res horse humanoid_genitalia humanoid_penis imminent_orgasm interspecies licking looking_pleasured male male/female male/male male_penetrated male_penetrating male_penetrating_male mammal monochrome multiple_scenes muscular nude onomatopoeia oral oral_penetration oral_while_penetrated partially_retracted_foreskin pecs penetration penile penis penis_lick sasha_(trigger12)scalie sex slurping sound_effects sucked_and_plowed sucking text threesome tongue tongue_out tongue_out_fellatio train_position trio xander_(trigger12)zummeng