Kite, a young boy born into the harsh, industrial depths of the undercity, grows up under the care of his hardworking parents, who struggle to carve out a meager existence in a world of decay and oppression. Tragedy strikes when his parents are killed in a catastrophic accident orchestrated by Rook, a ruthless corporate magnate whose callous decisions prioritize his own desires over human lives. Left orphaned and vulnerable, Kite falls into Rook’s hands. Manipulated and molded by the very man responsible for his loss, Kite is subjected to brutal conditioning, his memories erased to transform him into a skilled and obedient assassin. Unaware of his true past, Kite becomes a weapon for the man who stole everything from him.