Secretly Pregnant With My Boss's Baby

Nora accidentally had a one-night stand with her boss, Alexander. When she woke up the next day, as Nora was running away, she carelessly left behind one of her earrings. The male protagonist, Alexander, thought he had been set up by someone and was determined to find the woman he had a one-night stand with. Coincidentally, this task happened to fall on the female protagonist, Nora. Will the truth that she is the very woman be discovered?