C53 Zhang Shufen Went to Learn Secretly

She couldn't stand her earning so much money, so she stole the formula and sold it for her own money. This way, Gu Yuehuan wouldn't be able to sell anything.

Zhang Shufen was mainly jealous that that wretched girl could earn money. In her eyes, Gu Yuehuan was useless. She was not as smart as her biological daughter. Now that she could earn so much money