Ya Tianxing did not disturb Mo Shangjun, providing her with a sufficiently quiet environment.
He probably instructed others as well, because during this time, not a single person entered the office, naturally sparing Mo Shangjun even a second's delay.
Fortunately, though Mo Shangjun was mischievous, she wasn't easily distracted. Once she entered work mode, she could pass as a workaholic, so she didn't take a break for a whole four hours.
She went through pile after pile of folders, reading one after another. Besides just browsing, she also had to organize the information in her mind. Thanks to her experience as an instructor for 907, she was familiar with all the students and training processes, making it relatively easy to understand and connect the information.
But even so, she was extremely exhausted.
