Anime Crossover: I Became the Bull Demon King in My Own Land

Yes, there is only one true God in the universe!

"For billions of years thereafter."

"My name will resound throughout both worlds."

At that moment, on the glorious side of the earth, an ancient hymn resounded.

The converging sound waves nearly shattered the sky, making even the heavens seem to tremble.

The immortal of the six realms, the demon god with the bull's head, the master of life and death, and the incarnation of the divine tree.

The one who broke the old ways, the creator of all things, the one who connected the two worlds, the one who ruled the infinite.

God among gods, demon among demons, ruler of all races, nowhere to be found, the supreme and only one.

……

(Main storyline complete)