Conquest Of The Fallen: Dark Dominions - Chapter 290: The Cult of Raquel Serpent

Criminal Psychologist, Su Xiao Pei, who was an leftover woman in her modern life, was informed by the God Of Marriage, Yue Lao, that her destined lover was in a car accident, his soul was sent to another world. Su Xiao Pei was ordered to bring back this strange man who was connected to her by the red string of fate. Otherwise, she will live the rest of her life in loneliness, with no one to support her.
But how does that man look? No idea.
What’s his personality like? No idea.
What does he do for a living? No idea.
Can she not go? Of course not.
Su Xiaopei, who believes in all things logical has run up against a serious wall this time.
The bottom line: This is a story about a modern female psychologist who has traveled back in time and an adorable warrior as they talk about love and solve crimes.

- Description from Novelupdates

In 1668, our city earned the title of “The Safest Place in the Country.”I had a lot to do with that. How?Because I was arrested.

Even the most capable people cannot escape calamity. Zhang Ping, who dreamed of becoming the world’s best, voluntarily enters the palace to become a eunuch before his father has to resort to plundering and crime.

How can a prince be so thin and bony, that was Zhang Ping’s first impression of Huangfu Jie.

The prince looks at the kneeling eunuch, the scars and wounds on his body not yet healing.

Zhang Ping’s eyes turn red—I curse your ancestors for eighteen generations!

He is just little uglier; weirder than normal people.

Are ugly people not human? I, Zhang Ping, swear to cultivate the world’s second best over here in the palace!

- Description from Novelupdates

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.