Rule 34 Dev - 2024 2boys absurdres all_fours anus ass ass_tattoo bent_legs footwear furry glowing_tattoo greyscale highres ink inside kneeling looking_back_at_viewer male male_only manmosu_marimo monochrome multiple_boys nervous nude_male original paintbrush penetrable_sex_toy shota sweat tail testicles trembling wolf worried yaoi|4413040641