gelbooruhttps://xbooru.com/index.php?page=atom&tags=1:1 1:1 aspect ratio 2010s 2015 2d 2d (artwork) 3boys ahegao animated skeleton assisted fellatio assisted sex blue tongue bondage bottom sans bound brother penetrating brother brothers cum cum in mouth cum on face cum on tongue digital media (artwork) ectopenis flowans flowey the flower flowsans fontcest gay genitals goopynoms incest male male/male male/male/male male only male penetrating monochrome monster mouth forced open orange cum orange penis papyrus papyrus (undertale) papysans partially colored sans sans (undertale) seme papyrus sex skeleton tongue out top papyrus trio uke sans undead undertale undertale (series) unseen male face video game character video games yaoi2024-06-20T00:18:31Zgelbooru