The third chapter of the Summer Saga. After the mysterious girl and the prince reunited in the borders separating Dragon Land, Ruby and the others are confused. The prince explains that Dragon Land is once a peaceful kingdom and everyone is united, until both rulers became angry with each other and divided the land. The only way to get them back together is to find the legendary treasure called the Rainbow Jewel. As the group reaches the surface, they all agreed to find the Rainbow Jewel to save the others and reunite the torn kingdom.