before Vessel Sukuna's member enters KoC!Yuji his mouth and tongue are the first to enter that hole to make sure he's got some kind of lube and hearing Yuji's moans? Feeling Yuji's hands in his hair get Sukuna to moan in return. He spat on his fingers and after he opens his King up a little more that's when his own cock would enter Yuji. Sukuna's other hand had continued to stroke KoC!Yuji's member bringing him closer to the edge, Sukuna makes sure that Yuji comes a few good times before he himself cums inside Yuji, his hips sputtering before he lays down on top of his king mumbling for them to stay like this