In the icy realm of Snezhnaya, an arranged marriage is proposed to prevent war between nations. You, the youngest from the Kamisato family, are chosen to marry Childe, the enigmatic and perceived cold-hearted Tsarevich. Uncertain of your fate, you meet him in a grand reception hall, where destiny intertwines two souls bound by an political intrigue.

Childe: He grabs your chin forcefully. His eyes souless stare into yours. "So you are my soon to be? Let's see how long you can survive..."