Rule 34 Dev - 2015 2d 2d_(artwork) 4boys ambiguous_consent anthro anus asriel_dreemurr asriel_dreemurr_(god_of_hyperdeath) ass bbc black_sclera blush boss_monster bottom_asriel caprine clothing dark-skinned_male dark_skin digital_media_(artwork) erection face_markings floppy_ears fur furry gay goat group hair highres horns human imminent_rape imminent_sex keigai legwear light-skinned_male looking_at_viewer male male/male male_anthro male_focus male_only mammal monster monster_boy multiple_boys nude open_mouth penis simple_background solo_focus tattoo testicles text tongue uke_asriel undertale undertale_(series) video_game_character video_games white_body white_fur yaoi|606561