My Secretly Hot Husband Vol 6

As the guardians of the northern lands, the Halsteads have hunted devils for generations. Fighting those fiends is like second nature to Letitia and Erden, but this time they will have t face a different enemy - the high society at the royal capital! They have been invited in recognition of their achievements, but Letitia soon begins to feel that something is very, very off at the capital.