Who Asked You to Slay Demons Like This?

There are immortals in the sky and demons in the world. A young man with a mysterious origin was rescued by two kind-hearted people by the river. He did not know his past and present life, but he always uttered strange words. In order to help the young man find his life experience and at the same time treat his brain disease, two kind-hearted people embarked on a road of no return. The boy's biggest hobby is all kinds of delicious food, and all kinds of big monsters are his favorite. So, in this world, big monsters, here I come!