A nameless man in a novel

In a world of a novel, Ren Artega descends determined to search for a fragment, with a system that entrusts him with the mission of being present in the events of the novel, called "the return of the dragon king", the protagonist and son of luck From this novel, Kyou, came back to his hometown to form a financial empire and fill himself with women, that was his destiny, but for his good or bad fortune, his destiny will no longer depend on his luck, but on Ren in a or another way, without counting the heroines, where in the novel they were beautiful, successful and brainless women, they suffered strange changes in attitude in which Ren only thinks "I just want to finish the story"