MTL - My Girlfriend has a System - Chapter 47 Sisters, help me!

Michael, an ordinary and average guy, suddenly finds himself in a dangerous fantasy cultivation world after being randomly chosen in a multiversal lottery. Armed with a wish system that may taunt him some times, grants him one wish every week, Michael has to survive in this harsh world of cultivators, monsters, and mysterious powers. However, the system has strict rules—he can’t wish for direct power.However average Michael was, he loved his family on Earth and that's why his main goal is to return to Earth. To do that, he must climb to the highest realm of cultivation, all while avoiding greedy enemies and dangerous beasts. With each wish, Michael gets closer to his goal, but the challenges only grow tougher as the world around him becomes more dangerous.

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

Untolerated by heaven, a boy was restricted by the most powerful spell.

“Discovered the corpse of an ordinary human, loot to receive Super-strength Pill, extract?”