A Time Traveller's Guide To Feudal Japan - Chapter 1 - The Rice Fields

A million years ago, he had traversed the Nine Heavens and Ten Earths, braving countless mysterious Life Prohibition Zones, in search of a way to resurrect that foolish woman, but inadvertently learned one earth-shattering secret after another. Thereafter, he went through nine cycles of reincarnation, strategizing over the world, casting his net across the heavens, with the Myriad Realms as his board! In this life, he had returned from reincarnation, his Qi engulfing mountains and rivers, “It’s time to close the net...”

Living a fairly common life, Brian lost his parents at the age of twenty at the hands of vampires. But he never imagined that he had a daughter and she was a vampire.

Elenor was raised by her mother, learning to become the next head of the Vampire Family. Seeing the pressure and loneliness of her mother, an eight year old Elenor decides to find her father and help them patch up.

But, who would have thought that her father had no love for her mother, he doesn't know much about her. Instead he fell in love with an werewolf, her racial enemy.

But, it wasn't her story. Brian had a lot more going on in his life. With a new daughter and a girlfriend, his life began to drastiscally change. From solitary and lonely life to a life filled with excitement and love. Can he handle it? Can he raise his daughter? Will he ever love her mother?

In the age of post-apocalypse, Brian at the age of twenty-five starts a new life filled with Virtual Reality, Superheroes, Evil Aliens, Vampires, Werewolves, and most importantly, Techs.

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

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.