There is another world on the other side of this world - the snake world
There is a unique communication channel between the snake world and the human world, but no one knows it.
One day, a human girl was on the run because she was being chased by her enemies. When she ran to a certain place in a deep forest, an arrow was shot at her mercilessly. . . . Blood dripped from her shoulder to the ground. Suddenly a ray of light surrounded her and disappeared instantly. . . .