C25

"Don't worry, I'll definitely go!" Gu Jiahui thought, he had been so busy recently that he did not visit his teacher.

Gu Jiahui's mother passed away when he was six years old due to an accident. His father had been busy with work for a long time, and the teacher in charge of his class during his high school was his mother's best friend.

The teacher had treated him better than their own son