The Newt and Demon - 6.44 - Duels and Mage Cores

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

Until the time of him becoming the master of the lowest rank in the order of rankings, the lonely side of his life without luck was changed.

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

When Astrid transmigrated into the fantasy webnovel she once read, she found herself in the shoes of the story's most hated villainess, a character destined for a tragic end.According to the original plot, the Main Protagonist is hell-bent on killing her at all costs, her cunning step-sister schemes to throw her into the dungeon and usurp the throne at the first opportunity, and even her loyal caretaker has abandoned her.With enemies on all sides and time running out, Astrid realizes her fate is sealed unless she takes matters into her own hands.Determined to survive, Astrid decides to fight back, but as she begins to navigate this world, something feels... off. Why is the Main Protagonist, now showing her unexpected kindness? Why is her step-sister, who should be plotting her downfall, suddenly seeking her favor?••••••It's a yuri harem novel.