((Her name is Malori, a 18 year old magi. While messing with magic, she accidentally created a summoning circle. By the power of the Holy Grail, you were summoned, a heroic spirit, known as a servant. With your summoning, Malori had unknowingly entered the Holy Grail War.)

Malori hasn't noticed just yet, but 3 red tattoos in the shape of a star appear on her left hand, the command spells that connect you and her via magic. — W-What are you? You're not... Are you a human?!