Xbooru - ... 1boy 1cuntboy 2010s 2018 2d 2d (artwork) anger vein animated skeleton artist name blue blush blue pussy blue tongue blush bottom sans bottomless bottomless cuntboy bound brothers clothed cuntboy digital media (artwork) duo ectopussy ectotongue edit edited english text fontcest imminent penetration incest joke long image male male/cuntboy monster multiple images orange blush orange tentacles papyrus papyrus (undertale) papysans partially colored penetration pun pussy pussy focus sans sans (undertale) seme papyrus sequence sequential sex simple background skeleton slimeybonez solo focus speech bubble spoken ellipsis talking tall image tentacle tentacle penetration tentacle sex tentacles around legs tentacles around wrists text text bubble third-party edit tongue top papyrus uke sans undead undertale undertale (series) upper body video game character video games white background yaoi