Fate: Delusional Sword Saint

Emiya Shirou. A man who walked myriad paths across countless timelines. A faker whose very ideal was borrowed. Now, another walks in his shoes, lives his life. One who does not simply replicate blades, but deludes himself into being worthy of wielding them. When the Fifth Holy Grail War begins, just where will this fake of a fake end up? — Description from novelcodex.org