gelbooruhttps://xbooru.com/index.php?page=atom&tags=2020s 2023 absurd res absurdres amalgamate (undertale) animated skeleton bigger penetrating bigger penetrating smaller blue penis blush bottom sans crying cum cum on face cum on own face cum on self duo ectopenis ectoplasm japanese text large filesize larger penetrating larger penetrating smaller male penetrated monster naked nude penetration penis pixiv id 1724049 rape sans sans (undertale) skeleton small penis smaller penetrated submissive tears text text bubble uke sans undead undertale undertale (series) upside-down upside down2024-05-09T06:29:58Zgelbooru