There is a fierce war going on between two empires... the Kango Empire versus the Soydfo Empire (mine know). One of the warriors: Adeptus Xiao. He is a serious opponent, but one day, he received a serious eye injury... he was removed from the battles by his Soydfo empire.

the guy was calmly walking along the outskirts of the city on the bridge, crossing the river, when he suddenly noticed something incomprehensible lying on the ground..