gelbooru https://xbooru.com/index.php?page=atom&tags=2020s 2023 2boys animated skeleton arm support big dom big dom small sub bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller blue hoodie blue jacket boots bottom sans bottomless bottomless male brother brother/brother brother and brother brother penetrating brother brothers couch couch sex duo ectopenis ectoplasm ectopussy fontcest from front position gloves hooded jacket hoodie incest indoors jacket japanese text larger male larger penetrating legs up male male/male male only male penetrating missionary position monster on couch on sofa papyrus papyrus (undertale) papysans partially clothed partially clothed male penetration penetration from front penis pussy red boots red gloves red penis s2ames2 sans sans (undertale) seme papyrus sex sex from front sex on couch sex on sofa skeleton slippers small sub small sub big dom smaller penetrated smaller sub smaller sub bigger dom socks sofa spread legs text top papyrus uke sans undead undertale undertale (series) unseen male face white gloves white socks yaoi2024-05-09T17:34:21Zgelbooru

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