Famed warrior Arne Brynhilt, known firebrand and unchallenged hero of the Eastern Empire, finds herself unexpectedly married to a foreign Archduke who knows nothing of her identity and seems to have gotten the entirely wrong idea about her, to boot. Arne isn’t quite sure how she ended up playing along with this ruse, but she can always just kill him if things go wrong, right? Just why is that condescending man so handsome, anyway…?