Bog Standard Isekai - Chapter 18Book 3:

The legendary Qin Chen from the Tianwu Continent accidentally fell into the Martial Domain because of his friend’s betrayal.

Three hundred years later, he was reincarnated on an illegitimate son of the royal palace who had been bullied.

He used his previous life accomplishments, concentrating on his skills, refining the pill, and rising against the sky, rising strongly, and embarking on a shocking journey that shocked the mainland.

- Description from MTL

She died in her prime as the Queen of Song.

After being reincarnated, she becomes a simple trainee.

Losing her former glory? It doesn’t matter—no one can compete with her voice as a beautiful singer.

Mocked by her lowly birth? It doesn’t matter—her true identity is enough to make the whole world tremble.

She owes huge debts? It doesn’t matter…

A powerful boss once whispered to her, “Your debt will disappear if you become my woman.”

But the proud her would reply, “I’m sorry. I would sell my art, but not myself.”

Just as Li Meirong thought her life couldn't get any worse, she transmigrated into an abused body of a servant girl being sold at a brothel in a completely different world.

Rural and lost for seventeen years, the illegitimate daughter of the Lu family has returned, and everyone looks down on her, waiting to see her make a fool of herself.However, as soon as Lu Sheng opens her eyes, she pins the rumored ruthless and shady Master Li onto the car with a kiss, boldly declaring, 'Don't worry, I'll take responsibility.'When the gentle girl's disguise falls, everyone realizes that the mysterious jewelry designer, the top disciple of the chief Chinese medicine practitioner, the behind-the-scenes shareholder of a leading group... turn out to be her!Leaders from various fields show up to recognize her, world-class piano master, domestic scientific research leader, genius young hacker, all stand up to say: 'Sheng Bao, we are here to protect you!'Her stepmother and malicious sister weep in regret, her scumbag fiancé bitterly regrets, and her five brothers hurry to make amends, vowing to spoil their sister to the heavens.Yet, Lu Sheng has long been encircled by a certain man, who whispers in a low bewitching voice: 'Sheng Sheng... You enticed me, so now you have to take full responsibility.'