Important first stops:
New Horizon is a fictional world lore created by and based on writings by DeliriousJax. It is a future Scifi scenario in which Earth had reached a luxurious, seemingly utopian age and had begun settling colonies and outposts in the outermost reaches of the Solar system. The moment they had settled on Pluto, the solar system was invaded by alien conquerors called the Kah'Rul, sparking a multi-generational war as mankind was pushed back to Earth stage by stage. In the mix, and alien slave race called the Dasarin were mixed in with the fray, having lost their home-world, now sharing Earth as many of them now free or free born from previous generations of the war; fight alongside the remaining Human culture.