gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys 2d 2d (artwork) ahegao animated skeleton artist request blue tongue blush bottom sans crying with eyes open dominant pov english text fangs gaster gaster (undertale) hands hands behind head male male/male male ahegao male focus male only moan monster multiple hands pleasure face pov sans sans (undertale) sanster seme gaster skeleton solo focus text tongue tongue out top gaster uke sans undead undertale undertale (series) video games yaoi2024-06-16T20:46:31Zgelbooru