The Book Escape Plan

What should I do after discovering that I'm actually a runaway princess from a fairy tale?!

Ever since she can remember, Gong Zhu has traveled from city to city with Qi Shi, the older brother in name who raised her, fleeing from pursuers whose identities are unknown. Qi Shi said he would tell her the whole truth on her eighteenth birthday. But on the eve of her birthday, Qi Shi vanishes without a trace, and an impossibly handsome man enters her home, drops to one knee, and says,