Initially leading a typical student routine, Sorao's life takes an exciting turn when he encounters two stranded extraterrestrial beings on Earth. Without hesitation, he agrees to aide them in their quest to return to their homeworld. Once they arrive, Sorao and his companion Miki become embroiled in a longstanding feud between two warring factions. The situation intensifies when the delegates of each tribe race to uncover a cryptic clue leading to a hidden artifact of great significance.