One Piece: Ero Saiyan - Chapter 24: The Arrival of CP0 -22

Everyone said that Yi Qing was the number one Sword Cultivator in the world, with a swordsmanship and cultivation that no one could surpass. Whether it was when he was cultivating in the Lower Realm, or when he was in the Ten Heavens of the Upper Realm, he has always been undefeated.

Yi Qing laughed and said: “That is because you do not know of my Master. If we speak of cultivation, I am not as good as she by a long mile. Thinking about it, at the start, out of the ten Heavenly Emperors of the Upper Realm, my Master beat up nine, and the one left was myself.”

“Master? You actually have a Master! Who? How come we never heard of it?”

“My Master is…. Eh? Master? Master! And my Master? Has anyone seen my Master?”

A person next to them quietly raised her paw. “I am here!”

- Description from Novelupdates

The funniest harem cultivation is here!Several thousands of years ago, the Grand Sage Saint is the most powerful cultivator in Fenghua Great Continent and he has created the Carnation Goddess Painting in which portrayed the 7 Saintesses in various compromising lewd poses.From this Carnation Goddess Painting, he is going to select only 1 Saintess to be the Carnation Goddess.But before this great work can be completed, he is mortally wounded by the 7 Saintesses and is thought to be dead. But he's back now for vengeance.Now in cultivation, these were the stages of the cultivation realms; Foundation, Qi Condensation, Bronze Core, Silver Core, Gold Core, Yuan Yin, Revolving Core, Awakened, Saint/ Saintess, Sage Saint/ Sage Saintess, Grand Sage Saint/ Grand Sage Saintess.

Have you ever thought that the state of the world as it presently is, could revert to the laws of the ancients? When a series of strange incidents beginning with the disappearance of his friend led Luo Yuan to question the possibility of an apocalypse, he becomes embroiled in the midst of a global-scale chaos.

Evolution has turned the flora and fauna of the vast and bountiful Earth into something that had never been seen before. Coincidentally, the all-dominating Homo sapiens have ended up at the bottom of the food chain. From mystery to crisis, will Luo Yuan discover a means of saving humanity by racing to the top of the food chain? Or will he strive in accordance with the law of the jungle? It is the dawn of an age of the survival of the fittest.

- Description from Novelupdates

An angel made a mistake, resulting in Shiihara Daiki’s death. In order to hide the mistake, he was then sent to a different world. The angel will grant him one wish as a payment for keeping it a secret. Daiki asked for a Heavenly Castle floating in the sky without hesitation.

Suddenly a floating castle appeared in the new world, which causes confusion amongst the people. They attempt to contact Daiki in various ways. A country tries to steal it by force, while another seeks to befriend him. What in the world would Daiki do?