I'm really not an old sword

Tag: harem, fate, type moon
Summary:
Lin Qingsu, a Chinese student studying in the Clock Tower, lives a life of idleness and waits for death, planning to quit the magic world upon graduation.
Until he awakened the life simulator and obtained the old sword template...
Sajo Aika: "I finally found you, my prince!"
Sajo Ayaka: "Isn't it possible for my younger sister?"
Gilgamesh: "Holy Sword Master, we meet again. Hahahaha, let's continue our unfinished duel!"
Ophelia: "Chaldea needs your strength for the sake of the world."
Mordred: "Male mother? Female father? Huh?!"
......
"You've got the wrong person. I'm really not Old Sword!"