The supporting character's harem is very normal - Chapter 529: Kill him!

MC (female protagonist) dies in a plane crash and wakes up in the body of a beautiful but corrupt and lascivious prime minister in ancient times, Zhang Qinglian. As circumstances decree, he (she) cannot reveal that the original owner’s soul is gone else calamity might occur. So he (she) decides to walk a righteous path, determined to help the lovely but simple little emperor rule the country. Not backing down after facing torture, not losing courage, destroying rebellions and facing off with scheming princes.

That lonesome night as he lays dying in the hospital, fearing of death and desiring the taste of life, his mind became unprecedentedly complex with mixed emotions.

Myasthenia gravis — an incurable disease where one’s muscle slowly degenerated until the day when one can no longer move and only tears may flow.

“Is this… dying?”

When he opened his eyes again, he had crossed over into the body of a two months old infant, right in the middle of an assassination attempt.

He was born as the illegitimate son of a noble. His name was Fan Xian; and with that name came the burden of deep political secrets and the legacy of his mother.

He understood; to survive, he needed unparalleled strength, money and political power.

To a new world with the luxury of a new life, so named; Celebrating the Remaining Life.

- Description from Novelupdates

The story follows Danheng, who transmigrates to the Douluo Continent seeking a peaceful life, only to be persistently pursued by Gu Yuena, who insists on becoming his wife. She encourages him to strive for greatness, aiming for him to become the leader of soul beasts, the Dragon God, and the ruler of the Divine Realm. Despite his desire for a quiet life as a librarian, Danheng finds himself entangled in various challenges due to his wife's ambitions.

On the 15th of March 2139, the world mourns the passing of Darius Stone, billionaire broker, and philanthropist.

Yet while his family and friends put his body to rest, Darius wakes up to find himself reborn into a younger body in a different world.

A strange voice informs him that his soul has been transported into the magic-filled world of Faust on the behest of a mysterious Goddess called Vena, for the sole purpose of entertaining her through his struggles.

In this world where any dream can be achieved with enough effort, he sets out to become a Supreme, an existence above Mortals and even Gods!

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Warning: This novel features a villainous protagonist. If you have enjoyed Warlock of the Magus World, then you should be able to tolerate Darius Stone’s actions and choices throughout the novel in terms of Morality.

Note: This story is slow-paced in order to allow for better world-building and development. If you’re looking for a fast-paced action story, this might not be for you.