KELLY's POV
After purchasing my favorite bubble tea in one of the shops near the building of Cheol’s penthouse, I asked him if we could go home because I still had a quiz to prepare for the next day, and he agreed.
Despite the fact that it was an open book quiz, I couldn't help but be worried because I knew for a fact that the quiz that the professor would administer would not be in the book. It's unlikely that he'd tell us to open it if the topic was in there.
Pia also informed me that Mr. Klein had a penchant for asking questions to which we couldn't easily find solutions in our textbooks. Since Cheol was himself a successful businessman, it's possible that I might borrow some good books on the subject from him.
After changing my school attire into a pink blouse and a pair of comfortable shorts, I went out of my room and knocked on Cheol's home office door, where I could hear his voice echoing back to me. ‘‘Please come in...’’