My Vest Blew up the Boss's Group

Sang Ning, who grew up in the countryside, disappeared for a year in his senior year of high school and took a year off from school. A year later, she was taken to Y City by her biological mother to study on loan. Until one day, while investigating a certain big boss, his subordinates looked at one of the waistcoats of the sister-in-law who was said to know nothing and accidentally pulled out... And fell into a confused silence.