Southern Cross Kid Manga

Tatsuya is a young boy who managed to survive alone in the "land of the dead," a place where it is claimed that no one can endure for longer than three days. He embarks on a quest for vengeance against Mike DeVilas, the man responsible for his father's death and who abandoned him at the edge of the universe. His first target is Goliath, a planet governed by DeVilas. However, Tatsuya finds that the Reapers are waiting for him there, with the intention of eliminating him...