Comet Princess (premise)

In the year 2030, a group of mysterious alien life forms known as "Overseers" invaded the Earth and proceeded to nearly wipe out almost all of humanity. With the power to manipulate matter, control the planet's climate and ecosystems while also having the ability to devour any living organism in their path, they began to slowly terraform the planet, destroying many countries in the process. With only half of the continents left on the planet and the Earth being almost submerged in water because of it, the humans were able to unite with each other during these dire times and fight back against the Overseers. While the initial attacks were somewhat easy to deal with (as the humans made use of what was left of the Overseer bodies left behind after each battle), the next Overseer attacks would grow more difficult every time. As a result, a brilliant scientist known as Dr. Graham Seymour was able to create the fighting machines known as "Celestials" that were named after various celestial bodies in space and could be used to combat the upcoming threats that were caused by the Overseers. His daughter, Asteria Seymour is the best pilot and fighter when it comes to using the Celestial machines due to her mysterious ability to absorb Overseer life energy and grow stronger from them. Because of her high kill count and strength, she is dubbed "The Comet Princess" and is famous because of it. However, because Asteria had very limited social interaction with others due to having been raised inside a laboratory for most of her childhood, she comes across as being very cold and arrogant to the point where almost nobody likes her. That all changes when a new recruit named Aera Sano becomes partnered with Asteria and slowly helps her warm up to the idea of making friends while also wanting to find out what purpose she has in life other than simply fighting Overseers. She and her loved ones will have to deal with not only Overseer threats but also internal ones as well as they will end up discovering dark secrets that may or may not cause the end of the human race as they know it.

Inspirations for the story concept:

*Darling in the Franxx

*Neon Genesis Evangelion

*Pacific Rim

*Kill La Kill

*Heartcatch Precure

*Captain Marvel

*Invincible

*Eternals