Foreign Land Reclamation By a Vegetable-growing Skeleton

A thousand years after the Undead Empire vanished, the little skeleton who used to farm was still tending to his fields, until the summoning portal reopened. "Are you guys hungry? I’ve been farming for a thousand years and have stored a tiny bit of food." "Have these fields been deserted? Can I plant things?" "The princess's city on the hill doesn’t allow farming? Then never mind, I won't go." "They want to tax me but won't let me farm? Wipe them out!"