I Am the Strongest Hashira in the Demon Slayer Corps

The Tige civilization, a Level Three civilization, arrives on Earth and devotes the planet's full strength to rapidly raising Earth's level, preparing for the Age of Interstellar Collapse 1,500 years in the future. The Level Seven civilization and cosmic hegemon, the Shige civilization, launches a war, striking down one low-level planetary civilization after another. For Earth, which has only just entered Level Three, how can humanity survive the Age of Collapse? How can its ten billion people strike back? Earth, known by civilizations across the universe as the Earth's hooligan, is about to retaliate!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.