The Star-Shattered Grotto
Read the storyPaul Greyrat (from Mushoku Tensei) has sex with a dozen muscular men with large dicks. The men resort to double and even triple penetration, and the pressure of their dicks on Paul's prostate causes stars to appear before his eyes. The men take turns cumming in Paul's mouth, and the sheer volume of sperm causes his muscular stomach to visibly bulge. During the encounter, the men joke about pregnancy, and by the end of the sex, Paul begins begging to be impregnated.