gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys 2d animation animated skeleton animation anon anonymous anonymous male bottom sans crying duo ectobody face in pillow fucken-crybaby (artist) fucken crybaby (artist) gif loop looping animation male male/male male only monster penetration sans sans (undertale) sex skeleton thrusting uke sans undead undertale undertale (series) unknown male yaoi2024-06-11T08:10:32Zgelbooru