During the Edo period, the gods tasked Momotaro with exterminating demons that possessed and drained human life force with parasitic "bugs." Alongside his loyal vassals—Kensuke, Saruhiko, and Yukijiro—Momotaro...

Long ago, demon-like creatures known as Oni butchered humans and brought on destruction solely for their own delight. A lone man named Momotarou opposed these gruesome, near-invincible monsters, but the war...