City of Sin (Yanyu Jiangnan) - Vol 1 Chapter 27: The Power to Change The World

Zhangsun Zijun and Yi Xichen are the protagonists of the novel “Record of Nine Thousand Vicissitudes.” One is solid and reserved; the other is free-spirited and uninhibited. As fellow disciples under the same master who grew up together, the two have a deep friendship that was strengthened by their numerous life and death adventures together.

However, in a popular yaoi fanfiction, the personalities of these two characters is completely OOC. Zhangsun Zijun turned into an insanely jealous, insatiable s*x addict madly in love with his wife Yi Xichen. Yi Xichen turned into a sweet, delicate little angel. Their daily life was full of kinky bedroom activities…

Suddenly, the Zhangsun Zijun character from the fanfiction was transported into the world of the original novel.

- Description from Novelupdates

I never thought I could become a hunter.I never thought I would get the chance.But that wasn’t true.「 ‘Tower of Trials’ has selected all suitable candidates from Earth. 」「 Please select your difficulty. 」「The chosen difficulty will be directly proportional to your rewards. 」I was given a chance now.A special one at that.

Lucian Black awakened to be the most powerful hunter in the world, but he even with all these powers, he could not protect that which he holds dear, and had to watch her die.Devoid of any feeling, he decided to focus his hatred on the monsters that caused all his suffering, and he became a killing machine until one day, he was betrayed and poisoned by those he works with but fate had another plan in store for him as he returned back to the day of his awakening, the day he awoke the most broken ability in the world.With this second chance, he vows to protect his sister and find out what really happened to his parents.