12-Year-old Lin Kuikui is the biggest eldest sister in the yard
With a bunch of little devils, he dominates the world.
22-Year-old Lin Kuikui is still a big sister
But she is a bald lady who doesn't have a boyfriend and stays up late and works overtime every day.
7-Year-old Luo Zhinuo is the youngest kid in the yard
But the IQ is the highest
17-year-old Luo Zhinuo is still a little kid in Lin Kuikui's eyes
But, after all, she is the only stupid person in this world, Lin Kuikui.