Rule 34 Dev - altauro anthro anus areola ass ass_up back_muscles backsack balls barazoku biceps blush censored circumcised clenched_teeth closed_eyes clothing comic dragon duo embarrassed erection facial_hair fur green_scales grey_skin grin hair handjob hi_res horn huge_muscles humanoid_penis japanese_text legwear lying male mammal messy muscular muscular_male naughty_face navel nipple_suck nipples nude on_back on_front open_mouth oral pecs penis precum raised_arm raised_tail red_hair rhinoceros rough_sex saito_(oc) saliva scales sex shaded sharp_teeth simple_background smile socks spread_ass spreading sucking sweat teeth tetsuya text tongue tongue_out translation_request triceps yaoi|3193110224