Xbooru - 2020s 2022 animated skeleton anon anonymous male bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller blue blush blue hoodie blue jacket blue tongue blush bottom sans clothed clothed male crying drooling faceless male hooded jacket hoodie implied double penetration implied penetration implied sex jacket larger male larger penetrating larger penetrating smaller logo (pixiv30462562) male monster one eye closed pixiv id 30462562 sans sans (undertale) skeleton small sub small sub big dom smaller penetrated smaller sub smaller sub bigger dom solo focus sweat tears tongue out trio uke sans undead undertale undertale (series) unseen male face white background