Five years later, the school hunk still won't let me go

Su Mi was originally the daughter of the richest man, but was suddenly bound to a poor system, changing her identity and becoming a country girl in school. The system told her that as long as she could make Xiao Xuanjin, the lucky son of this world, fall in love with her, and then dump him and trample on his sincerity, she could successfully change her identity. Otherwise, she would be a poor person forever. Listen, what a hate-rich and immoral system this is. Constrained by the system, Su Mi decided to take a risk. Xiao Xuanjin was a stubborn and unbearable person with a rebellious temper and high eyes. Su Mi went through a lot of hardships and finally watched the arrogant boy bow his head for her, "Su Su, I am a serious person, I am determined...