Gu-Won’s upbringing was straight from a storybook—he was the prince of his own world, surrounded by opulence and luxury. Yet, beneath the façade of grandeur, his life was a tapestry of loneliness and betrayal.

With a father who pits him against his own sister, Gu-Won’s world is icy and devoid of joy—until he meets Sa-Rang, the sunny daug...