Sara, the baron's eldest daughter, is ostracized by the nobles and even by her own family because of the scars on her body. Because of this, in order to pay off her family's debts, she is forced to get engaged to a commoner whose face she has never even seen before. That being said, although the man in question is a commoner, the truth is that, because of the import-export trade, he is very wealthy. The problem is that, even during the six years of their engagement, he never went to see Sara once. Determined not to marry a man who, at least in her mind, only saw her as a kind of plaything, Sara decided to break the engagement and become a nun... but on the day of her graduation, Ludovic, the fiancé who had never contacted her, suddenly showed up to meet her and, even when she proposed breaking the engagement, against her expectations, he...!

"He spent six years without meeting me once... Why did he decide to be kind just now?" - And so begins the story between the mysterious handsome and wealthy man X the eldest daughter "sold" to pay off her family's debt.