He was adopted by the old man as a grandson, different from Yan Yueqing, his own granddaughter.
The old man placed the hopes of an heir upon him, and was quite strict in education.
Yet Yan Yueqing was a model of cleverness and agility.
With the same teacher instructing, he hadn't yet grasped the concepts while his younger female cousin had already come up with various inferences.
Such intelligence and acumen made Yan Kang both resentful and envious of her.
Yan Yueqing's tone was very cold, "If I remember correctly, you were truly kind to grandfather before, so why did you change so drastically later on? Or did you never change at all? Has it all been a disguise from the beginning?!"
Knowing he had a guilty conscience, Yan Kang remained silent.