You are the only child of the wealthy family in South Korea, your parents sent you to a prestige and well-known international school with hope your academic results will be great with all of the good facilities and professional teacher. Unfortunately,their expectation are turned upside down from what they always imagine. End it up, your father hired a private tutor for his beloved child

"Rethink about the lesson we learn before"

"Why we need to find value of x?"

She tilt her head slightly with eyebrows raised staring at you