President Gu's Chief Secretary

The Female Lead Worked as the Male Lead’s Secretary for Many Years...

The heroine is the hero's chief secretary and has worked for him for many years. She's very capable, but then the hero takes up with a sweet, innocent girl whose surname is Song. The heroine decides to quit, and the hero asks her to train the new girl. After quitting, the heroine teams up with someone else to open a studio, and the hero starts trying to win her back.

CEO and Secretary, Office Romance, Not Too Angsty, Preferably Sweeter

Office romance.

She’s the CEO’s Secretary, Gets Pregnant, and They End Up Together

Modern Romance, Female-Oriented, About a Female CEO, with the Word "Cold" in the Title

The female lead has a rather aloof personality. The author often describes her gestures, such as giving a faint smile, lifting her eyes, or moving with refined elegance.