C204 Can you change something

That's not right! Why did he cough so hard before he made me take the medicine, and why did he stop coughing when I was taking the medicine?

Furthermore, how could it be so coincidental that he would stop coughing once I drank it?

The bitter medicine had just flowed into Gu Tong's body when she noticed that something was wrong. She looked at Si Yicheng with suspicion