Swear Fealty To Me, My Subjects!

World outside...

This is the unified name of the Heine Empire for the pale satellite hanging high in the sky.

It is a mortal moon, but this thing is not naturally produced...

In the past, the ancestors of the ancient era once set foot here and built magnificent altars to summon those supreme beings from outside the sky in the hope of receiving enlightenment from the sea of ​​stars.

Those altars were once used by Rhine, and they were the places where Rhine summoned Betelgeuse.

This extraterrestrial celestial body, which is the closest to the mortal world, has been quite frequently encountered in the ebb and flow of mortal civilization.