Attack On Titan: No Regrets 1

The young Erwin Smith is a rising star in the Survey Corps, humanitys only hope of defeating the man-eating monsters known as Titans. Ruthless and dispassionate, Erwins mind is devoted to strategies and intrigue. But beneath Erwins feet is another world, the Underground, where humans are born and die surrounded by the garbage the Capital throws away. Here, the criminal Levi survives on his wits and agility. But when these two ambitious men cross paths, who will prove himself stronger?