gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2017 2boys 2d 2d (artwork) animated skeleton artist name blush bottom sans bottomless skirt brother brother/brother brothers christmas christmas hat christmas outfit clothed clothing comic comic page comic panel crossdressing digital media (artwork) duo english text fontcest hat holidays imminent incest imminent sex legwear male male/male male only merry christmas midriff monochrome monster papyrus papyrus (undertale) papysans partially colored red blush sans sans (undertale) santa costume santa hat scarf seme papyrus sequence sequential short skirt skeleton skirt stockings talking text thornisicezins top papyrus topwear tumblr username uke sans undead undertale undertale (series) video games wink yaoi2024-05-14T10:50:12Zgelbooru