2014 aaron_(artist) abs anal anal_sex anthro anus ass back biceps big_muscles big_penis black_hair black_penis blue_hair blue_skin brown_fur chair clenched_teeth dragon duo erection fangs feline fur furry grin hair interspecies kneeling legs_up lion lying male male_only mammal marco_scalger missionary_position multiple_males muscles nipples nude on_back open_mouth pecs penetration penis pink_nose rafael_juzul scales scalie sex smile table tan_fur teeth thick_penis toned tongue vein yaoi