gelbooruhttps://xbooru.com/index.php?page=atom&tags=1:1 1:1 aspect ratio 1boy 2020s 2023 animated skeleton bikini bikini bottom bikini top blue bikini blue bikini bottom blue bikini top crossdressing detailed background looking at viewer male male only monster s2ames2 sans sans (undertale) sea skeleton sky solo male swimwear undead undertale undertale (series)2024-05-21T13:46:51Zgelbooru