gelbooruhttps://xbooru.com/index.php?page=atom&tags=1:1 1:1 aspect ratio 2020s 2023 2boys animated skeleton big dom big dom small sub bigger dom bigger dom smaller sub bigger male bottom sans brother brother/brother brother and brother brothers clothed clothed/nude clothing duo fontcest grabbing leg incest kissing kissing crotch larger male leg grab male male/male male only monochrome monster naked nude papyrus papyrus (undertale) papysans purplebluepen45 sans sans (undertale) seme papyrus size difference skeleton sketch small sub small sub big dom smaller male smaller sub smaller sub bigger dom text top papyrus uke sans undead undertale undertale (series) video games yaoi youfoundta2024-05-14T00:25:55Zgelbooru