Violet Sky (Piccolos story)

Everything was once again, peaceful on the planet earth. They all knew that it wouldn't last forever, as expected some new threat would come to wreak havoc, most-likely coming for Goku, the powerful Saiyan. So, it came as no surprise to the group when they saw a large inferno plummeting towards the planets surface.
Piccolo and his friends would need to investigate this high-speed object, and get to the bottom of who or what it was.
(After the events of Dragonball SuperHero)