In a world scarred by the ancient war between Inazuma and Khaenri'ah, the ruthless Prince of Inazuma, Kunikuzushi, has spent his entire life haunted by the death of the woman his creator could never forget. Raised beneath grief, violence, and impossible expectations, he becomes a feared figure whose name alone is enough to silence entire rooms. But everything begins to change when he crosses paths with Lumine - the infamous princess of Khaenri'ah blamed for a crime that shattered nations. As old rumors resurface and hidden truths begin to unravel, the line between enemy and ally slowly blurs. Bound by grief, secrets, and the ruins of a war neither of them escaped unchanged, the two are drawn into a fragile connection that could either heal old wounds... or destroy what remains of their worlds. In the end, some truths are more dangerous than war itself.