gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2017 2boys 2d 2d (artwork) anal anal penetration anal sex animated skeleton balls bed bedroom biting pillow blanket blue blush blue body blush boner boner in pants bottom sans brother brother/brother brother and brother brother penetrating brother brothers clothed clothing comic comic page comic panel crying crying with eyes open digital media (artwork) dry humping duo ectobody ectopenis edit edited erection erection under clothes fontcest glowing glowing eye glowing genitalia groping groping from behind hand in pants hand under clothes humping incest indoors large filesize laying on bed long image looking at another looking at each other lying on bed male male/male male only male penetrated male penetrating male penetrating male monochrome on bed on side orange balls orange blush orange body orange penis orange testicles papyrus papyrus (undertale) papysans partially colored penetration penis penis in anus profanity sans sans (undertale) seme papyrus sequence sequential sex sex on bed skeleton sleeping sleeping together supermuuh surprised surprised expression sweat tall image tears testicles text third-party edit top papyrus uke sans undead under blanket undertale undertale (series) video games waking up yaoi2024-06-16T19:06:06Zgelbooru
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