Cosmic Beings - The Dawn Of Creation

the gods and demons had existed even before the universe's creation but they were not superior beings then. there were superior beings other than them. they were called cosmic beings. they were practically the strongest in the entire history of the creation and the reason for the creation of the universe. along with these three species that have intelligence, there lived non-intelligent species along with them. they were known celestial creatures. after the universe was created 13 billion years ago, the gods and demons started to reside in heaven and hell respectively which were connected to the earth that is referred to as the surface. after many years the celestial creatures invaded hell and heaven and took over both of them. katsu legami a human being that resides on the surface was killed by the very creature due to an unfortunate accidental encounter but was brought back to life by the demon king and was asked to save the world with his power which is the red dragon one of the three heavenly dragons. this is the story of a boy who fought the most dangerous beings to save hell and heaven and uncovered the mysteries of the creation of the universe and the cosmic beings.