A Guide to Raising Your Natural Enemy - Chapter 76

In the early morning of September 23, 2019, a natural disaster arrived. The Dao of Heaven and Earth has changed, the desire of all souls have completely filled up the Heavens.

The Dao of Heaven can no longer bear it. Evil thoughts, good thoughts, obsessions, and desires entangled endlessly, making the Heavens reach its limit, this shift caused an extreme change in the world, making fantasy come to reality.

All worlds fused together, and all things compete for freedom in this cruel new world. This is the beginning of a new era, one filled with destruction and rebirth. This era is called the Eternal Era.

- Description from Novelupdates

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.

Virael Kalthorne is a member of a guild which inspects facilities in the country. And Virael is tasked with the inspection of sex dungeons/ Kink rooms which she had to personally test and grade them.It will be in both a mix of 3rd person and Virael's perspective.Monster girls, slimes, tentacles, kinky stuff and a lot more. SM, Fut*nari, humiliation, exhibitionism, etc etc________BDSM, Yuri, Futa, Futa*ari, lesbian, No men, these r the main tags. (Not everyone is a futa not even the MC, rest are fantasy world/ monster girls)

Once through the pirates, Lu En became the son of Monkey d Dragon, a grandfather named Monkey d Karp, and an unreliable and neurotic younger brother named Luffy.

Fortunately, the ghost back system is activated!

The completion of the ghost back is 10%, and the training effect is increased by 100 times!

The completion of the ghost back is 20%, and the training effect is increased by 1000 times!

…

One day, Lu En, a ghost-backed master, appeared in front of Luffy who was shouting to go to sea, and made Luffy cry on the spot.

Luffy: “The pirates in the sea are all monsters like my brother? I don’t want to go out to sea!”

Garp: “For a long time, the two boys, Long and Luffy, with small arms and calves, I really doubt that they are not my sons and grandsons. Like Lu En, they are the grandsons of the old man!”

Warring States: “The strongest creature in the sea, land and air is Kaido? No, it’s Lu En!”

- Description from novelbuddy