Huainan moved with her father and transferred to another school again. In her memory, she was either moving or on the way to move. But this time her father found her a stepmother and also brought her a troublesome brother: Gu Li.
Huainan: Little fool! When someone bullies you, don't you know how to fight back?
Gu Li: Huainan, you copied your homework again!
Huainan: Him! Gu Li! He's mine now! Who dares to touch him! I prevent him from seeing the stars of tomorrow
Everyone: Gu Li has a devil sister, everyone should disperse!
Gu Li: Huainan! You don't mean what you say! Did you promise not to leave me? Why lie to me?
Huainan: Little fool! If I stay, what will happen to your tuition?
Concept: Two children from single-parent families go from hating each other to redeeming each other.