Summer Job Turns Me Into a Space Mercenary Season 4

At 19, Lin Xiao accidentally launches his journey as an interstellar mercenary, becoming a three-star mercenary, Solar System Lord, and First Legion Scout. In Season 4, he trains across the stars, recruits the Moka insectoid race, acquires the Mechanioid dark matter ship, and defeats enemies like the Wasteland and the Vulture while breaking through his limits in the Trial Tower and searching for ancient treasures in the Ruins of the Ancient Abyss. Meanwhile, he protects Earth, establishes bases on the Moon and Mars, resolves the insectoid crisis, and navigates between various mercenary bases and interstellar families, growing stronger on two fronts to safeguard his homeland and gain wealth and power throughout the universe.