gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2016 animated skeleton anon anonymous male blue blush blush bottom sans duo faceless male fellatio pov imminent fellatio imminent oral male male/male male focus male only male pov pov sans sans (undertale) skeleton solo focus suckmytrombone uke sans undead undertale undertale (series) unseen male face yaoi2024-05-16T02:23:00Zgelbooru