Lord of the Grail Starts with Blank Assassin

A group of vengeful aboriginal souls, a suffering script of being in the same camp with evil, and then the explosive beginning of making miso! ———— In this killing game, humans have only one privilege - to kill one of the six contestants and take his place to gain the qualification to participate in the game. 16 Years ago, Anpu's parents died tragically in front of his eyes due to the god's killing game. Sixteen years later, Anpu blocked the birth point of the god and delivered a revenge bullet on time. There are no swordsmen, spearmen, archers, cavalry, magicians, berserkers... There is only one assassin that no one wants. "Wait a minute, why is the assassin's numerical value a blank slate!?"