Rule 34 Dev - 2015 abs alien all_fours amber_eyes ass biceps blackgate_(game) brown_fur brown_hair buttjob claws darkgem doggy_style duo elbow_talon erection from_behind fur gay hair holding human humanoid_penis humansub interspecies male male/male male_only mammal muscles nipples nude pecs penis pose rotis sex shower steam tiles toned uncut water wet yaoi|1860220320