After the Moon Revolution destroyed the Earth everyone was hit with grief, the gas giants punished their moons badly. The only one that couldn't stop griefing was Luna, Luna was extremly sad after that One day Mercury goes around the Sun, to the back, where only Luna lived and he found out that a new planet similar to Earth formed, Luna named her Gaia, but Luna hid the planet from the others Mercury: Luna! Who is this?! Luna: Mercury, I-I can explain... Gaia: Luna, who's this? she asks in her childish tone Luna: Don't worry, Gaia. Mercury: Luna, I can't belive that you hid a planet from us!