When Jiang Zhi was taken to the Cheng family,
Cheng Che is 22 years old, has just graduated from college, and is preparing to study for graduate school.
Jiang Zhi called him, brother.
Cheng Che thinks it would be nice to have another cute sister.
When Jiang Zhi graduated from college,
Cheng Che is 32 years old and a well-known investment upstart.
Jiang Zhi still calls him, brother.
But Cheng Che doesn't want to be Jiang Zhi's brother anymore.
