[Crossover] You Can't Stand Still If You're Not a Fool

This story began with a beautiful encounter. No... beautiful isn't quite the word. If our heroine were to describe this encounter, she'd say it was [So awful that I never want to meet that person a second time in my whole life! He's even scarier than Snow White's evil stepmother! Somebody save me, QUQ!] ...Yes, this is the story of a naturally airheaded girl who helps a mischievous boy complete a mission, then gets hunted down and has to flee with her capable younger brother. -V- [The inspiration is my adorable, goofy PAPA, Jiujiu! Yooo, PAPA, I love you!]