gelbooruhttps://xbooru.com/index.php?page=atom&tags=!!! 2010s 2018 2boys 2d 2d (artwork) animated skeleton bigger male blowjob blue blush blue tongue blush bottom sans brothers clothed clothed male deepthroat digital media (artwork) duo ectopenis ectotongue english text fellatio fontcest gay incest larger male male male/male male only monster orange blush orange penis papyrus papyrus (undertale) papysans penis sans sans (undertale) seme papyrus sequence sequential sequential art simple background skeleton solo focus spoken exclamation mark talking to another talking to partner text theyaois tongue top papyrus trembling twitter uke sans undead undertale undertale (series) video game character video games white background yaoi2024-06-16T20:29:28Zgelbooru