After the 4th Holy Grail War, Saber came to another world because of the power of the Holy Grail.
There is magic in this world but no Holy Grail, but she is still a servant.
It's just that... The master is a green-eyed kid with messy black hair.
The light appeared, and the heroic spirit with a majestic and holy aura opened its green eyes:
"My lord, you summoned me here?"
Let the author tell you why you can fall in love even though you have different dimensions!
With such a strange CP, will your eyes really not go blind?