abs absurd_res anal anal_penetration ao_isami balls bang_brave_bang_bravern big_muscles big_pecs black_body bravern breath brown_hair dildo dildo_in_ass dildo_insertion duo erection extreme_size_difference genitals giant_robot green_eyes hair heart_symbol hi_res human human_on_humanoid human_on_robot human_penetrated humanoid humanoid_genitalia humanoid_penis interspecies larger_humanoid larger_male looking_pleasured machine male male/male mammal mecha mostly_nude multicolored_body muscular muscular_human muscular_male nipples object_in_ass pecs penetration penis quuynart red_body robophilia robot robot_penetrating sex sex_toy sex_toy_in_ass sex_toy_insertion signature size_difference smaller_human smaller_male smaller_penetrated white_body
3:4 alternate_species ao_isami bang_brave_bang_bravern belt bird_dog black_body black_fur blue_eyes bottomwear canid canine canis clothed clothing dog_tags domestic_cat domestic_dog duo felid feline felis footwear fur golden_retriever hair hi_res hunting_dog lewis_smith male male/male mammal open_clothing open_mouth open_topwear pants retriever romantic romantic_couple sandals shirt shoes simple_background swimming_trunks swimwear tan_body tan_fur tongue topwear wani_jima whiskers wristband
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