This is more than just a story about a substitute who makes someone regret their choices. It is also a mirror reflecting how power distorts human nature, and how true love emerges through misunderstanding and sacrifice. The elder sister represents an idealized first love and one's original aspirations, while the younger sister represents genuine companionship and redemption amid the harsh realities of life. What the prince has lost is not only two particular lovers, but also his own humanity and happiness, eaten away by power.
