City: the Witch Comes

On this day, The old god from another world broke the dimensional barrier! The fleet of advanced civilization is anchored outside the earth! Waiting for them, It's a wild witch beast that can blow up the sun. It's a mysterious giant mouth that swallows the sky and the earth! PS: The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.