Rule 34 Dev - anthro anus balls bed bottomwear bottomwear_down butt clothed clothing erection furniture genitals inside looking_at_viewer looking_back looking_back_at_viewer lying lying_on_bed male on_bed on_front pants pants_down partially_clothed penis shirtless_male slightly_chubby solo solo_focus tail ulf hybrid mammal ursid hi_res|99656328