Rule 34 Dev - 9x9 age_difference anthro ballbusting balls bodily_fluids cock_and_ball_torture control_bestow_therapy duo father father_and_child father_and_son genital_torture genitals height_difference male male_focus male_only mammal muscular pain parent parent_and_child polar_bear sitting size_difference son tears trampling ursid ursine|6127799432