Rule 34 Dev - 1:1 2boys against_wall alpha_channel anal anthro ass balls canid canine cetacean close-up clothing delphinoid duo eyewear genitals goggles heart internal knot male male/male male_only mammal marine notkastar nude oceanic_dolphin orca penis prostate prostate_stimulation shirt smaller_top toothed_whale topwear water yaoi zatch_(character)|5064667384