Xbooru - 2010s 2018 2boys 2d 2d (artwork) animated skeleton big dom big dom small sub bigger dom bigger dom smaller sub bigger male bottom sans bound wrists brother brother/brother brother and brother brothers collaboration crying crying with eyes open digital media (artwork) dominant dominant male duo ectopenis fontcest grabbing own penis grabbing penis holding own penis holding penis imminent rape imminent sex incest iniquityhalo larger male lowest-of-dirt lowest of dirt macro macro male macrophilia male male only maledom malesub micro microphilia non-con non-consensual noncon nonconsensual nude orange penis papyrus papyrus (undertale) papysans penis precum rape rope sans sans (undertale) seme papyrus size difference skeleton small sub small sub big dom smaller sub smaller sub bigger dom solo focus submissive submissive male tied wrists top papyrus uke sans undead undertale undertale (series) unseen male face video game character video games yaoi