Synopsis: 100 Million Years Later: The Ultimate Weapon’s Return

After humanity’s pollution gives birth to monsters called Corrupters, the world falls to the brink of extinction. The strongest agent, Jin Shidō, gains the power to save humanity through dangerous experiments—but arrives too late, with 99% of humanity already gone. Entrusting hope to the future, he enters a long sleep and awakens 100 million years later on a reborn Earth.