Rule 34 Dev - 1boy anthro anus ass autofellatio avian avian_penis balls barefoot beak biped bird black_body black_feathers bodily_fluids breath corvid corvus_(genus) cum cum_on_self digital_drawing_(artwork) digital_media_(artwork) drooling_cum erection failed_attempt feathers feet flexible_neck full-length_portrait furry_only genital_fluids genitals invalid_tag mage_period_(artist) male male_only masturbation nuclear_throne nude oral oral_masturbation oscine passerine penile penile_masturbation penis portrait precum raven_(bird) raven_(nuclear_throne) red_eyes shaded signature simple_background solo spread_anus spreading toes tongue tongue_out upside_down_fellatio video_games watermark|7712103640