Long ago, there is a world called the Gem Universe. It is lived by the Gem Rabbits and ruled by the Diamond Rabbits. At that time, the Diamond Rabbits have their own empire and conquered many colonies, included the Flower Universe.

Flower Universe, a world filled with beautiful flowery landscapes and lived by the Flower Rabbits. Before it was conquered by the White Diamond Rabbit, Flower Universe was an independent land with no rulers at all. Utill one day, the Flower Rabbits and Gem Rabbits had started a Flower-Gem War and at the end, the Flower Universe won victoriously.

Apart from that, their ruler, the White Diamond Rabbit was shattered during the war. This made the other Diamond Rabbits furious and decided to colonize the Flower Universe. So, the Flower Rabbits are very anxious because of that. But at least, they have got some Gem Rabbits to save the day.....

....and it will be explained in this novel story.