Shonen

One day, out of the blue, he falls into hell. All he has with him is his desire to live and predatory powers. From the thousandth hell to the nine thousandth, hes devoured tens and hundreds of thousands of demons, and even the seven archdukes bowed d

Yggdrasil, the World Tree of Norse Mythology, suddenly appeared on Earth. And with it came demonic creatures that ravaged entire cities.Although not all hope is lost, due to the System that a few special humans had gained.In this new world where only