Chapter 449: Developing Pharmaceuticals

As the day passed, Gu Dai realized it was getting late. She gently pried her clothes from the grasping hand of Song Yu. "I have matters to attend to and must leave now."

In Song Yu's eyes, a hint of reluctance flickered, but she obediently nodded. "Farewell, kind sister. I will miss you."

Gu Dai, eager to extricate herself from further entanglement, responded indifferently before swiftly departing.

Wang Lan sighed in relief as she watched Gu Dai leave.

Sheng Xin, puzzled, inquired, "Auntie, why does Song Yu call Gu Dai a kind sister?"

Wang Lan paused, perplexed. "Kind sister?"

She had been so incensed at hearing Song Yu address Gu Dai as "sister" that she missed the term.

Quickly pulling Song Yu to her side, she spoke angrily, "Gu Dai is nothing but a wretch; she's not your kind sister..."

Song Ling clenched his fists, veins throbbing with anger, and commanded sternly, "Silence!"