Rule 34 Dev - abs anthro balls beak bed big_penis erection for_a_head furniture genitals humanoid_genitalia humanoid_penis inside lying male morning_wood muscular muscular_anthro muscular_male non-mammal_balls nude on_back penis pillow solo stretching waking_up nilemonitor animal_head animal_humanoid avian bird humanoid greyscale monochrome|12009598790