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2_horns abs anal anal_penetration ass_up balls barnabas_(kupoklein)biceps demon duo from_behind_position genitals hi_res horn humanoid imp kupoklein larger_male leaning lying male male/male muscular muscular_humanoid muscular_male nipples nude on_front pecs penetration penile penile_penetration penis penis_in_ass rear_admiral_position red_body red_skin sex size_difference smaller_male telesto_(kupoklein)three-quarter_view