Poisoning the World The Secret Service Mysterious Doctor is a Young Beastly Wife - Prologue

In the Tranquil Sun province of the empire, there exists an unremarkable lordship known as Xue Ying Territory! This is the home of the Dong Bo clan, the clan of our hero Xue Ying!

His father, a commoner turned noble; his mother, a noble who abandoned her clan for love, and his brother, an innocent toddler. But peace cannot last forever, Xue Ying’s peaceful life is shattered, and the only way to reclaim it is through power!

- Description from novelupdates

As a corporate drone, Ashu was transported to another world, hoping to live a life free from societal pressures.However, he quickly found that even marrying a village girl would cost him half of his wealth!Fortunately, just when things were looking grim, his childhood sweetheart—who had trained for many years—arrived to fulfill their childhood marriage pact. Not only that, Ashu activated the Crit Refund System, which allowed him to earn rewards by binding with beings rated over 90 points![Binding with the Witch Childhood Sweetheart, 10x Refund on Magic Potion, Host Gains: Forbidden Water (S)][Binding with the Forest Elf, 10x Refund, Host Gains: Infinite Stamina and Infinite Recovery][Binding with the Demon Huntress Nun, 20x Refund, Host Gains: Demon Slayer Holy Crossbow (SS)][Binding with the Imperial Princess, 100x Refund, Host Gains: Sigh of the Heavenly Father Spear (SSS)]Ashu: “The refund multiplier increases as our relationship grows? I’ll definitely have to dive deeper into this!”

Mortal Chapter: In pursuit of immortality, I seek to dominate the world! I, Zhongshan, aim to establish an unparalleled celestial dynasty, gather the world's qi, eliminate personal hindrances, and thus confront the might of heaven. I will create a new world and achieve immortality. One's fate, fortune, Feng Shui, accumulation of yin virtue, and fame are the five key elements! For the sake of immortality, those who cultivate fame and fortune will establish a celestial dynasty and gather the world's qi. Those who accumulate yin virtue will create a holy land and accumulate immeasurable merit. Those who cultivate Feng Shui can communicate with the two worlds of yin and yang and harness the power of heaven and earth. As for those who cultivate fate and fortune, and those who cultivate life, they... Immortal Chapter: Ask the world, who can achieve immortality and eternal life~~~!

Set on a giant, almost finished bridge between Sadogashima and Niigata. Abandoned by the government, the bridge, and the giant man-made floating island at the center, has become a city of criminals and societal drop-outs.

Set in the same world as Durarara, but 15-20 years later. There is almost no overlap between Etsusa Bridge and the other novels.