The Fate of the Holy Grail War Zhang San Designated

My name is Zhang San. I was once an outlaw, committed all kinds of evil, and had a legendary life. I didn't have a choice before, now I want to be a good person. He was taught by El-Melloi II when he was a student, and now works for the humanistic rescue organization "Chaldea". He studied under the Iron Fist Saint, the British Sword Master and the Uruk Ax King. The romance of the mage is to open up the sky with every inch of energy! Accidentally, I became the last master of mankind, the hero who saves humanity. Destiny·Grand Order...10 Consecutive summons begin!