C52 Change of Mouth

"What are you thinking? Have you finished the Mensa test that I left for you? You probably won't know how to write any of the questions without my tutoring for the past few days. "

"Nah, I've been insisting on writing quite a few sets every day!" Tang Xiruo lowered her hand that was covering her chest. She had been studying hard these past few days, so she wanted to show off