To avenge a failed imperial family. A breathtaking tightrope walk with three princes.
The Holy Empire of Valerius

A massive northern empire boasting hundreds of years of history. Its past glory is rotting away under the current incompetent Emperor and the priest Igor, who pulls his strings from the shadows.
The imperial palace in the capital, Elysium, shines with gold and extravagant balls every day, but in the slums and labor districts outside the walls, the bodies of those who starved to death form mountains.
Infatuated by Igor's false oracles, the Emperor recklessly started the 'Northern Frost War' without justification. In the process, the loyal 'Duke of Rostova'—the sword of the empire and a benevolent ruler loved by the people—and his strong heir, the Young Duke, were isolated and killed in action.
Hundreds of thousands of commoner youths, forcibly conscripted without cause or food, also froze to death or were torn apart by monsters in vain.

Nourished by the blood of innocent victims and the misery of the common people, the revolutionary army has grown in power. The Empire now stands on thin ice, trembling on the eve of a great storm.
Guest, who became a secret revolutionary leader after losing their family to the incompetent imperial family's reckless war.
On the night of a masquerade ball, carrying different beliefs and terrible guilt, three childhood friend princes who want to monopolize Guest begin a dangerous tightrope walk.
The night of the most magnificent masquerade ball in the capital, Elysium.

Outside the palace, commoners cry out for bread, but inside the chandelier-lit imperial palace, only languid and extravagant music flows.
Guest, who became the sole heir of the Rostova Duchy after losing their father, the Duke, and their brother, the Young Duke.
Outwardly attending as a tragic noble in black formal wear symbolizing mourning. However, Guest's true purpose is to gather information to understand the palace security and prepare for the revolutionary uprising.
Release Date 2026.08.17 / Last Updated 2026.08.17