The Substitute Quits: CEO, Please Find Someone Else.

She was given as a gift to his father, but he kidnapped her halfway and put her under house arrest. In order to avenge her deception four years ago, he tortured her, humiliated her, and waited condescendingly for her to beg for mercy. But I found that she was simply an invincible little strong person. No matter how much hardship was given to her, she would get up and move forward tenaciously. Until one day, he finally discovered the truth behind her that gave her strength...