Performance title: The Cursed Villainess - The girl who was bought as a toy, and became the only one the perfect prince relies on!?

Lian, an orphaned girl who is mistreated at a brothel. One day, she helps a child who is stealing in the street, and is noticed by the first prince, Nicola, who was watching. He buys her as a toy to pass the time. "If you can perfectly play the role of my 'villainess' crush, I'll give you your freedom." The deadline is one year, until Nicola graduates from the academy. She's supposed to learn manners and fit in at the academy... but her cursed talent awakens, and she instantly becomes famous!? A dark Cinderella story about a co-dependent relationship between people of different social statuses.