Viera, a poor noblewoman working tirelessly in the Magic Bureau’s Technical Department, has no money, no time, and no connections. One day, she's suddenly tasked with finding a husband! On a whim—and under the influence of alcohol—she proposes a contract marriage to a nearby stranger, a knight named Lukash, offering a deal: “We can divorce after a year.” To her surprise, he agrees. But later, she learns who Lukash really is...!? What was supposed to be a divorceable contract marriage born from a drunken promise takes an unexpected turn when he says, “I have no intention of letting you go.” A marriage fantasy filled with romance between a highly capable, broke noblewoman and the country’s strongest divine beast knight!