Rule 34 Dev - anthro big_muscles brown_body brown_fur brown_hair fist flexing flexing_bicep flexing_both_biceps fur gradient_background green_eyes hair looking_at_viewer looking_back looking_back_at_viewer male muscular nude purple_background rear_view shirtless shirtless_anthro shirtless_male simple_background solo text go_to_sleep_now utau aro_rouon canid canine canis mammal wolf english_text|16188507755