[Eclipse], a world where the bright crescent moon never disappears in the sky is divided into two territories, [Katzenschatz] which is owned by the race [Katzen], a hybrid of humans and cats and [Hundschatz] which is owned by the race [Hund], a hybrid of humans and dogs. Since the beginning of time, the two races were fighting against each other.

Each race has six [Constellation Deity] that helps them fight in the war but in every generation war, it always comes into a stalemate. Now, on the upcoming 8th generation war, what will be the outcome?

After turning 18 years old, our protagonist Raiki, a [Katzen] who wants to become a high-ranking soldier, decided to take the entrance test to become one. But just after he arrived in the town where the test will be held, he saw a group of bandits trying to rob a certain girl. He couldn't leave that alone and do nothing so he saved the mysterious girl named Ciana from them. Where will Raiki be led by this fateful encounter?