Extra's Strategy: Cultivate Protagonists, Become Invincible - Chapter 145: Business Is Booming

Just before being summoned to another world, the protagonist’s summoning medium was secretly swapped by someone. As a result, he was not summoned as the “Holy King” but instead as the “Sex King.”The magic he can use includes water magic in the form of lotion, fire magic as candle wax, and his summoned beasts include a wooden horse used for punishment…Branded as “vulgar,” “useless,” and “filthy,” he is rejected, has his engagement annulled, and is ultimately exiled. However, the one who picks him up is a princess from a nation where the sex industry is legal.Using his modern knowledge, the protagonist begins rebuilding the nearly bankrupt sex kingdom. He introduces new fashion trends unknown to this medieval world and uses his authority as the Sex King to subjugate the girls. He then establishes modern sex service techniques.The protagonist's method of leveling up is through intimacy with his heroines (his concubine maids). The more intimate he gets, the stronger he becomes, and the wealthier the kingdom grows.However, the surrounding great powers will not stand idly by and allow a flourishing nation full of women. Thus, the flames of war are ignited.Utilizing his creativity, adaptability, and cunning, the protagonist repurposes his sex-related magic for military applications and overwhelms his enemies.As he gradually awakens to the path of conquest, he begins walking the road of a ruthless emperor. However, by his side is always a heroine, a celestial beauty who keeps his heart from straying too far…

The antique market that is filled with treasures and trash.

Supreme Degenerate Lust System—the cheat ability that no man should have, but Alex? Alex earned it.This was the tale of a boy who wanked so furiously, so relentlessly, that his own dick—his loyal, overworked, war-torn comrade—finally called it quits and fell off.The same boy who was so hopelessly obsessed with a toothless, wrinkled gilf that he died doing what he loved—slipping in his own divine nectar like a tragic hentai protagonist with a severe addiction problem.He thought that was the end.That his dream—to finally pork a gilf—would go forever unfulfilled.But fate?Fate was a kinky, twisted bastard.When Alex opened his eyes, he was no longer lying in a filthy, crime scene-esque bedroom covered in the stains of his sins.No.He was in a new world—a world of magic, kingdoms, dragons, elves, and all that fantasy nonsense.But Alex didn’t care about any of that.Swords? Magic? Heroic quests?Boring.No, he had ONE mission.A sacred goal.A holy pilgrimage.To finally find the ultimate, well-preserved gilf and achieve his life’s work.And with the Supreme Degenerate Lust System at his disposal?Nothing would stand in his way.Not kings. Not gods. Not even the laws of nature themselves.The legend of the Lustful Fool begins now.

In the year 2031, the earth has further advanced in its technological developments. Though there are democracies, republics, and several other systems of governance followed by various countries, there is still one country that adheres to the feudal system—the Arinphiam Empire.The empire is divided into three parts, where the royal family coexists with the central government to control the empire, keeping it as one of the strongest nations on planet Earth.The richest man on this planet belongs to this empire, where noble families still exist, governed by laws specifically made for them by the royal family instead of the central government.Marquess Avendial Croceaus has finally returned to the past, to the year 2031—a year before the tower's arrival—on the date where his downfall began.As he returns to the past, he discovers himself facing the initial setback of his life, where accusations of treason are soon to fall upon him.This world-building novel presents a completely fresh story with new ideas and plots, where the efforts of the main character lead him to become the one who changes his fate as a villain.Content warning: Adult R-18 Chapters without any warning, as they could be part of the story, a slow but well-paced story to provide the detailed idea about the world-building, a weak main character with the debuff of seven curses, making him even cut off from the chances of growth.