gelbooruhttps://xbooru.com/index.php?page=atom&tags=anal animated skeleton artist request blush bottom sans closed eyes fire elemental glasses glasses only grillby grillby (undertale) grillsans hugged from behind hugging hugging from behind male nude orange body orange penis penetration penetration from behind penis sans sans (undertale) seme grillby sex sex from behind sitting sitting position skeleton top grillby uke sans undead undertale undertale (series) white background2024-05-15T03:29:48Zgelbooru