Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 1 Chapter 16

The rivers and lakes carry wine with swords, the waist is slender and the palm is light.

The young man carried a long knife on his shoulder, and hung wine on his waist, striding forward, but the rivers and lakes in his heart were vaguely visible.

Turning a page in the book of troubled times, the rivers and lakes have been raining nightly for decades.

Looking back suddenly, the world has been shattered.

- Description from novelbuddy

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…

Shen Qingxian is the Honored Lord Lianhua, only lacking ascending to the heavens.

Gu Jianshen is the Demonic Emperor Jiuyuan, only lacking destroying the three worlds.

Everyone believed that a meeting between Shen Qingxian and Gu Jianshen must result in a war spanning the three worlds, the two of them dueling to the death.

Until Shen Qingxian went through a hundred years of closed-door cultivation, and spied upon heaven’s mysteries.

Words of heaven’s mysteries: For ten thousand years, no one in the cultivation world has ascended to the heavens. This is because the Heavenly Staircase has long since collapsed. The only way to set this right is to follow the directions of this jade scroll.

Jade Scroll Writing: First, meet with Gu Jianshen. Second, drink and get drunk together with Gu Jianshen……. Thirteenth, pass a ‘spring night’ together with Gu Jianshen…….

Shen Qingxian: “……”

- Description from Novelupdates

This novel is rated 18 with lots of fan service. If you are wondering if its.-NTR, No it's not.-Yuri, A big no, I guess. I don't know if it is, so maybe is the final answer.-Incest, yes! A BIG YESSSS!!!In a world ruled by cultivation and magic, the past centuries have been defined by the dominance of cultivators and mages.Cultivators capable of crushing planets with a mere squeeze of their hand, and sages who could destroy worlds with a single gesture, have long battled to prove which path holds the greater power. For thousands of years, their rivalry shaped the fabric of existence.However, the tides began to shift. Over time, the longevity of cultivators allowed their strength to grow with each passing year, while mages, bound by their limited lifespans, succumbed to the inevitable toll of mortality—even with the aid of rare elixirs.This gradual imbalance led to the decline of the mages' dominance. But everything changed when a young boy from a humble village awakened a system. When he saw her mother relieving herself at night in her room when he wanted to take a leak. This event caused significant changes for him, as he discovered that he could grow stronger by engaging in perverted activities.[You just masturbated. You just gained 10 experience points][10/100. Remaining to level up][You just ejaculated. You have gained 20 experience points & 10 Silver Solaris][30/200. Remaining to level up]