I Will Be the Son of Man

Here is the type month!
From Uruk farewell to the gods, to ancient Greece full of heroes...
From the night of the magicians that bloomed miracles, to the Fourth Holy Grail War...
From the pure white young son who is innocent at heart, to the hero king who bears the silver of the world...
This is a story of a flawless child who doesn't understand human hearts, and gradually understands what people are.
......
"Merlin's words, aren't they human?"
"That's right, big brother, I'm a hybrid of a dream demon and a human!"
"Then, if it's not human, it doesn't matter if you eat it, right?"
"Eh?"