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1:1 anthro azathura balls bed black_balls black_glans black_nipples black_penis dialogue english_text equid equine erection eyewear foreskin furniture genitals glans glasses hands_behind_head hi_res lying male mammal musclegut muscular navel nipples nude offscreen_character on_back penis retracted_foreskin solo text thayne_(azathura)thick_penis vein veiny_penis zebra