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animal_genitalia anus backsack balls big_anus big_balls big_butt big_penis black_balls black_body black_scales bodily_fluids brown_body butt claws detailed_background digitigrade erection feet feral genital_fluids genitals glistening glistening_body glowing glowing_genitalia glowing_penis green_anus green_eyes green_penis hazard_symbol huge_anus huge_balls huge_butt huge_penis inside laboratory laboratory_equipment looking_at_viewer looking_back male markings multicolored_body nude open_mouth penis perineum presenting presenting_anus presenting_balls presenting_hindquarters puffy_anus raised_tail rear_view saggy_balls scales scientific_instrument sharp_teeth solo sweat sweaty_balls sweaty_butt sweaty_genitalia symbol teeth thick_thighs toe_claws tongue two_tone_anus vein veiny_penis wide_hips anonymous_director dinosaur reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex

animal_genitalia anus backsack balls big_anus big_balls big_butt big_penis black_balls black_body black_scales bodily_fluids brown_body butt claws detailed_background digitigrade erection feet feral genital_fluids genitals glistening glistening_body glowing glowing_genitalia glowing_penis green_anus green_eyes green_penis hazard_symbol huge_anus huge_balls huge_butt huge_penis inside laboratory laboratory_equipment looking_at_viewer looking_back male markings multicolored_body nude open_mouth penis perineum presenting presenting_anus presenting_balls presenting_hindquarters puffy_anus raised_tail rear_view saggy_balls scales scientific_instrument sharp_teeth solo sweat sweaty_balls sweaty_butt sweaty_genitalia symbol teeth thick_thighs toe_claws tongue two_tone_anus vein veiny_penis wide_hips anonymous_director dinosaur reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex

animal_genitalia anus backsack balls big_anus big_balls big_butt big_penis black_balls black_body black_scales bodily_fluids brown_body butt claws detailed_background digitigrade erection feet feral genital_fluids genitals glistening glistening_body glowing glowing_genitalia glowing_penis green_anus green_eyes green_penis hazard_symbol huge_anus huge_balls huge_butt huge_penis inside laboratory laboratory_equipment looking_at_viewer looking_back male markings multicolored_body nude open_mouth penis perineum presenting presenting_anus presenting_balls presenting_hindquarters puffy_anus raised_tail rear_view saggy_balls scales scientific_instrument sharp_teeth solo sweat sweaty_balls sweaty_butt sweaty_genitalia symbol teeth thick_thighs toe_claws tongue two_tone_anus vein veiny_penis wide_hips anonymous_director dinosaur reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex

anal anal_penetration animal_genitalia arms_above_head bdsm blue_eyes bondage bound erection feral fully_bound genital_slit genitals green_body kidnapping male penetration penis questionable_consent restrained restraints sex_toy sex_toy_in_ass sex_toy_insertion slit solo spread_legs spreader_bar spreading tapering_penis starcofski reth'jex dinosaur reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex attempted_signature

animal_genitalia animal_penis bdsm blue_eyes feral genitals green_body kidnapping laboratory lying male on_back open_mouth penis questionable_consent restrained restraints science_fiction solo spreader_bar tapering_penis starcofski reth'jex dinosaur reptile scalie theropod tyrannosaurid tyrannosaurus tyrannosaurus_rex