There was nothing when the universe was created. Then three planets came from dust. The first planet was aquastopia,planet full of water and marine organisms. That was a predatory planet . The organisms have to kill other organisms in order to survive there.The next planet is astropia,planet filled with high lands and plains . The Threat in astropia is dragons. In astropia ,lived meanders who are just like humans,But have a strong mental power .Through their mental power ,they can even lift a dragon's nest.There was a long clash between dragons and humans . The peace of astropia had been disturbed because of their clash . The third planet was abandoned and no one knew what happened there .