https://www.dlsite.com/maniax/work/=/product_id/RJ01508363.html/?translation=RJ01508364 --- Having successfully delved to the deepest level of the dungeon you are found by something that should not be there... A level 1000+ succubus. Fate can be a cruel mistress...
Steel yourself for a hellish cumsucking encounter with a powerful succubus that will wring you dry of not only your cumforce, but also your hard earned levels. Right down to the very last drop.