My Secret Identity Blew Up the Big Shots' Group Chat

Sang Ning grew up in the countryside. In her senior year of high school, she disappeared for a year and took a year off from school.

A year later, her biological mother brought her to Y City to study as a transfer student.

Then one day, while investigating a certain big shot, his subordinates stared at one of the secret identities they'd accidentally uncovered belonging to the little sister-in-law, who was supposedly clueless about everything... and fell into a baffled silence.