Margrave's Bastard Son was The Emperor - Chapter 42

Qin Fan was reincarnated and dumped by the school beauty.She had no idea that in his previous life, he was a god of the stock market. His net worth was more than 10 billion, and he could weather any financial storm.In his previous life, he did not care for his younger sister and caused her to fall ill and be hospitalized. Therefore, the heavens gave him a chance to make up for his previous regret. Now, he only wanted to make his younger sister a princess!In this life, it was not enough for him to have a 10 billion net worth. Even 100 billion was nothing.He wanted to create the Qin’s First Group and make it the top capital consortium in the world.

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.

The MC (Minato) is a college student who died in a plane crash and was reincarnated in a fantasy world. He was raised alone in the wilderness by his succubus mother, and now he tries to make his way as an adventurer.

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates