too late for his mafia princess

In the book," Abandoned Concubine at a High Price," the female protagonist was a princess from the underworld, and the male protagonist was a prince from the underworld.

I recommend you a novel that dresses up as a princess in the late Qing Dynasty,'The Growth of the Little Princess in Qingchuan'. This novel told the story of a handsome boy who loved to sleep in class and traveled to the palace of the late Qing Dynasty. The main characters were An Ran and Little Guo Luoluo. This novel is about the childhood drama of a royal marquis. It might meet your needs.

There were many novels about noble princes that were similar to underworld princesses, such as: 1 " The Prince of the Underworld Princess ": It was about a girl who was born with the underworld talent and accidentally traveled to a strange world to become a noble prince. In this world, she had to learn how to adapt to life and find her own position while getting rid of her underworld identity. 2 " The Demon Princess of the Noble Prince " tells the story of a cursed princess who transmigrated to a strange world and became a noble prince. In this world, she had to learn how to adapt to life and find her own position while getting rid of the cursed fate. 3 " The Love of the Underworld Princess and the Prince ": It tells the story of a girl who was born with the underworld talent and accidentally traveled to a strange world to become a noble prince. In this world, she had to learn how to adapt to life and get through the difficulties with her lover.