Rule 34 Dev - absurd_res adastra adastra_(series) amicus_(adastra) anthro anus ass canid canine canis deer digital_media_(artwork) duo echo_project facesitting fur grey_body grey_fur hi_res humor joke male male/male mammal multicolored_body muscular muscular_male nude simple_background sylvane sylvanedadeer text visual_novel wolf|8017195296