It's Hard to Pamper a Medical Concubine: the Prince Is a Wife Slave

Saved him, fell in love with him, and devoted everything to marry him. She was his legal wife, but she was hurt by him again and again, and she was even almost beaten to death by him. She was disheartened. From then on, the sky was high and the sea was vast, and with her medical skills, she was free in the world. When the truth was revealed, he finally felt regretful and wanted to save her, but there was no trace of her.