Engage for Princess - Quod ergo Deus coniunrit, homo non separet.

The Albion Provinces were once a unified nation after conquering the indigenous beastmen and elves. However, following a long period of chaos, the land split into the Red Dragon, Ash Wolf, Azure Octopus, and Golden Lion—ushering in the Era of the Four Kingdoms.

Keryn, the Princess of the Red Dragon Kingdom, is a Knight-Princess who longs to serve the Prince of the Lake, ruler of the Dreamrealm. Three years ago, during the Lunar Underworld War, he saved her life and granted her a Ring of Covenant.

But the Prince, after a double-edged strike against the Queen of the Night, fell under a curse. Now, he remains in an eternal slumber deep within the Golden Lion Kingdom...