One Piece: I'm Destined to Be the Son-in-Law King! - Chapter 259: Urorororo!

Hye lived his entire life without a class. After the apocalypse hit the human world, strange creatures invaded and killed humans while new lands were being added.

Systems were given to humans and with the help of the guides, humans started to fight back for their lives. All of this happened under the watch of the venerable beings who were shining stars in the sky; gods!

Hye dreamt his entire life of a chance to prove himself. He was a hard working, earnestly learning and smart youth. However, the apocalypse never was merciful to such humans at all.

Until one day he got a chance to go back in time, when everything started. At this new starting point, he found himself able to finally obtain what he wanted, a class for himself and power beyond imagination.

But will things be this easy for him?

Yan Hua loses her memory in an accident. Later, she is pregnant with someone else’s child. After kicked out of her husband’s house, Yan Hua is about to perform the story of an inspiring mother raising her child. Unexpectedly, the baby is regarded as a real treasure and, thus a bunch of people are rushing to acknowledge as the baby’s relatives. Therefore, Yan Hua is drawn into the whirlpool of disputes inside a noble family with ambitious aunt and unproved mysterious brother-in-law… Who is the father of her child? Who is she? Facing all these issues, what is her choice?

- Description from Novelupdates

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!

Three days later after he became An Ziran, An Ziran’s father and his biological mother died, which meant as the eldest son he had to take over the family business.

Beside his legitimate first wife, An Ziran’s father also married 3 others women, who all wanted to take over the An family fortune but only the eldest son could be able to touch it, therefore they have to depend on An Ziran in order to live a comfortable live.

An Ziran’s father also had an older brother who is always planning to steal the An family fortune. The elder brother of An Ziran’s father and the woman he married had powerful connections. In order to save the An family fortune, An Ziran has to find a golden thigh to cling on. The butler told An Ziran that there is an engagement between the An family and an influential family. Therefore he takes his sister to that family house to make a connection.

However, during their journey, An Ziran’s younger sister overheard that the son of that family is UGLY, so as a beautiful and spoiled young lady coming from a rich household, she didn’t want to marry him and decided to run away. Without any other choice, An Ziran had to take his sister’s​ place and marry that man, who told him that he would let him go soon, but lied.

- Description from Novelupdates

Lin En transmigrated into a magical world that resembled medieval Europe but had the power of magic.Here, magic could affect and control basic particles, which was based on scientific theories that served as magic formulas!The wizards, who were actually scientists, were struggling to explore the truth of the world under the chase and blockade of the church. Lin En’s arrival sparked a renaissance of the alternate world…The white phosphorus fire, known as the Flame of Hell, the liquid nitrogen field of extreme cold, and the resonance frequency that kills without a trace… A few years later, the Holy See gathered all countries to the city, known as the legendary wizard, the pioneer of magic Lynn under the gaze of a group of wizards, wrote down the mass energy equation known as the ladder of God by later generations! Lynn looked around the crowd and said nonchalantly. “Mass and energy are interchangeable, and based on this theory, I have developed a powerful forbidden curse… It’s called — “The Big Nuke!”We will re-examine the world from the perspective of magic, where science is magic, and magic is science!