Rule 34 Dev - 2018 2boys 5_fingers all_fours animal_genitalia animal_penis anthro anthro_on_anthro ass black_nose bottomless canine canine_penis clothed clothing duo edesk erection faceless_male fur furry hot_dogging imminent_anal knot male male_only mammal open_mouth penis sex shirt tank_top teeth tongue yaoi|3302051752