The TerraHeart system, the zombie apocalypse.

The TerraHeart system is a quiet tri-planetary orbit system near a sun like star, its main planet in the middle of the other 2 is the earth sized planet, the 2 going around it so perfectly is the planets, Venara (a Venus sized planet) and Arelion a mars sized planet, the middle and earth sized planet is called TerraHeart. But it’s in a zombie apocalypse.