The legendary star Nibiru, the twelfth largest star in the solar system, was born out of the sky, dating back to the distant past. The world has changed due to the revival of mythology, and the era of national lords has officially arrived. Invasion, destruction, and disaster reincarnation... Quartet barbarians, mortals Anyone who dares to commit crimes will perish their country, destroy their species, and exterminate their seedlings! All barbarians inside and outside, who dare to call themselves soldiers, will be killed! After rebirth, the young man stood under the starry sky and made the most resounding oath. Destroy a hundred clans , Slaying the gods, breaking the chains of prisons, stepping on the galaxy, wherever our human race's blade points, we are invincible! Facing this magnificent catastrophe, he is determined to be the last ruthless man of the human race.