Rule 34 Dev - 2018 2boys anal anal_sex anthro anus asriel_dreemurr asriel_dreemurr_(god_form) austrum balls blush caprine duo erection fur goat male mammal pain penetration penis raised_tail rat rat_ogre rodent sex simple_background skaven sweat undertale video_games warhammer_(franchise) warhammer_fantasy yaoi|3153693160