A Setup within a Setup, a Mystery within a Mystery (6)

"Eh… if you say so then I really don't know how to start."

Huo Mian just looked at this simple and innocent Su Yu, and she suddenly didn't dare to start speaking. 

"Aiyah just say it! I won't be mad," he said. What Su Yu was really thinking was, 'When did I ever get mad at you?'

"Really? I didn't study much, don't trick me!" Huo Mian didn't seem to believe him. 

"It's true. Just say it. Speak up," said Su Yu as he was getting impatient and started rushing.