Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~ - Chapter 156 - Acid was Useful

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

In the current era, people are either normal or are with ‘special abilities’. Cases related to the latter are managed by the “National Anomaly Prevention and Control and Special Species Management Office”.
Qi Zheng Emperor Sheng Lingyuan was reawakened a thousand years later after he jumped off the fiery Red Lake. Xuan Ji, a newly transferred staff to the Reparations Division of the Deviant Control Office, finds himself having to clean up the mess of a revived tyrannical monarch. The two seemed to share something from the past, but unbeknownst to them, a big conspiracy is stirring right underneath their noses that could destroy the balance of the world.

- Description from Novelupdates

Bai Pingting has always been contrary the saying, “A woman’s virtue is ignorance.”

Although she serves the Marquess of Jing-An as a maid, she leads a life far richer than most women. Her plain appearance is not what defines her — but her intelligence, far beyond many wise men.

Although Chu Beijie was an enemy general, she still cannot help being attracted to this man, despite the many lies and conspiracies…but between love and loyalty, she must make a choice. She can only hope that man’s love for her isn’t as deep as she thought.

One is a soul who seemingly destroys peace while the other aspires to be the sword that saves. Between them, lies a mountain of hate…

Who of the two most cunning people on earth cast the trap and just who captured the other?

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates