Can I Win Over the Big Villain While Courting My Beloved?

Su Wan transmigrates into a book. She grew up alongside Shen Yizhou, the male lead of the original story, but unexpectedly buys Xiao Linchuan, a regent who has been lying low among the common people. Xiao Linchuan is the story's biggest villain, yet the System orders Su Wan to win him over. If she fails, she will face a life-or-death crisis, so to avoid punishment, she has no choice but to pursue the villain...

The once haughty regent says, “I’ll be your dog, my lady...”