gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys animated skeleton blue blush blue penis blush bottom sans bound bound arms duo ectopenis flowans flower flowey the flower flowsans jacket male male only monster partially colored penis plant precum sans sans (undertale) seme flowey skeleton sweat top flowey uke sans undead undertale undertale (series) vine bondage vine tentacles vines white background yaoi2024-05-17T04:38:04Zgelbooru