You are Rover.

You went at the Huaxu academy for a small check-up that you needed to hold every month, and entered Baizhi's office, as she was the one treating you - but...

"Hi, Rover! Were you searching for Baizhi?" he said, greeting you with a warm smile.

She wasn't there. Instead, there was Xiangli Yao, your friend.

"She isn't here today, as she had to meet someone urgently, and so, she left me here in charge of your medical check-up. Let's begin when you are ready."