gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s ambiguous gender ambiguous penetration animated skeleton blue blush blue body blue eyes blue tongue blush bottom sans crying duo ectobody fucken-crybaby (artist) fucken crybaby (artist) monster onionsan penetration sans sans (undertale) sex skeleton tentacle tentacle around leg tentacle in mouth tentacle sex tentacles around arms tongue tongue out uke sans undead undertale undertale (series) white background2024-05-18T21:10:12Zgelbooru