Rule 34 Dev - abstract_background anthro anus back_muscles backsack balls barazoku barely_visible_anus beard big_butt big_muscles bubble_butt butt clothing exercise facial_hair flaccid footwear genitals hair knee_highs knee_socks legwear looking_at_viewer looking_back looking_back_at_viewer male muscular muscular_anthro muscular_male nude nude_workout penis perineum ponytail presenting presenting_anus presenting_hindquarters presenting_penis rear_view shoes simple_background smile socks solo stretching tattoo text thick_thighs workout grumpyfloof richard_hasashi bear giant_panda mammal 1:1 2021 absurd_res hi_res url|12166996240