Responses
Gaia is literally just another name for planet Earth. It's known as Earth, Terra, and Gaia - those are just the more common names for our planet. Gaia is the most commonly used name for the "God" of our planet as well. Gaia is also the other name for "Mother Nature"
This is why the name is used in so many forms of media and fiction content. Just a catch all name referring to the planet Earth and it's respective "God" or "Guardian Deity"
As a PJO/HoO/TOA fan, I can NEVER bring myself to trust anyone named Gaia, please, I dare this manhwa, prove me wrong.