Pei Zhi's grandfather, Cyndi Luo's father, is also a mathematician. The final result is that mental illness is caused by in-depth research, and doctors judge that there will be genetic factors. Pei Zhi had better not study math. Once he studies mathematics, it is easy to cause mental illness.

As Peggy's mother, Cyndi Luo knew that she was sad for her father's illness, and she was desperate to stop Peggy from studying math! Strawberry world had a dispute with Pei Donglai because of this, which led to Pei Donglai's accidental death! Since then, she has been blaming herself, a little nervous, and has been preventing Peggy from learning math!

The end of Pei

Because of his father's unexpected death, Pei lied that he had gone abroad to study. But in fact, Pei gave up mathematics and became a boxing coach because he couldn't get out of the grief of losing his father.

However, a recording of 20 13 made Pei feel that his father was still alive. However, Pei Zhi can only reverse his father's situation in the cheese world, but he can't change the truth of his father's accidental death in the real world. After completing the crossing, Pei finally breathed a sigh of relief. In the end, Pei quit boxing and studied mathematics with Lin Zhaori. Finally, Pei Zhi fought to seal the gods.