A café run by her grandfather. News of his sudden death reaches her. In his will, her grandfather entrusts the café to her care. The place has a mystical air, and it is there she meets a group of mysterious visitors.
“As you can see…we are guests from another world.”
He proclaims with a smile: “I’m the ‘Demon King’.”
Is this encounter merely coincidence?
Or is it fate?
What story awaits her beyond this strange encounter with these supernatural beings?