Sano Shohei buys a mountain, retreats from modern society, and decides to live as a hermit. But when the three chickens he purchases grow huge and start talking, he realizes that his new life might not be the peaceful one he’d hoped for!

After decades of fighting on the front lines, Dias returns home a war hero. He’s rewarded with his own domain, which is little more than empty fields of grass... Or so he thinks until he meets a mysterious girl with a blue horn.

When Dias returns home from decades of war, he is rewarded with his own domain...which turns out to be little more than endless grassy plains. But when a horned girl named Alna appears, Dias discovers this empty frontier is more than it seems.