gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2015 2boys 2d 2d (artwork) animated skeleton artist logo blue eye blue tongue clothed/nude clothed male digital media (artwork) dominant dominant male duo ectotongue english text fellatio fire elemental glowing glowing eye grillby grillby (undertale) grillsans leash leash pull licking penis male/male male only maledom malesub monster mouth forced open mouth gag multiple tongues nude nude male orange body orange penis penis penis in front of face sans sans (undertale) sitting on another skeleton straddling submissive submissive male talking to another talking to partner text thesinshrine third-party source tumblr username undead undertale undertale (series) video games yaoi2024-06-17T06:39:36Zgelbooru