It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 1285: Ten Billion Credits?

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Every hero starts with power. He started with dust.One moment, the classroom buzzed with teenage chatter. The next, silence fell. Students blinked—and opened their eyes in an ancient hall carved from gold and marble. The air shimmered with divine magic. And at its center stood a goddess—flawless, proud, unbelievably beautiful and wrapped in flowing white.It was a divine summoning performed by a divine goddess.Among them was Vritra… and his stunningly beautiful mother.While others received blessings, powerful physiques and grand titles, Vritra was given a skill so pathetic it made even the goddess wrinkle her nose. An ability—so pitifully weak that it drew laughter, scorn, and even disgust. But that wasn't the worst part.Betrayed and cornered inside the labyrinth, Vritra had two choices: die… or fall into the death trap.A death canopy with no exit and no chance of survival, the only option was to slaughter the demons endlessly for months.Finally!! He forced his dormant skill to awaken, after killing thousands and hundreds of thousands demons and devouring them, becoming a broken ability.******White robes. Cold arroganceA sinful revenge.White robes can stain. And in the dark, even divinity can moan.And then there was his mo— guilt in her breath, shame in her eyes, whispering apologies between gasps in her son's ear, doing what had to be done… for both their sakes.

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

Su Jianan was marrying the love of her life. It all seemed picture-perfect, except for a few catches. One, it was a marriage of convenience. Two, she would be divorced after two years.