C49 Without Comparison There will be No Harm

Qiao Lishan was reviewing her work plan when something caught her eye. In the light, she noticed a series of numbers faintly imprinted on the page. It was just a fleeting glance, but it didn't sit right with her. She took out her pencil and gently shaded over the marks.

Soon, an email address, a password, and a phone number appeared on the cover of the work plan.

"What is this?" Lishan murmured