One Punch, Combat King

William, feared across the fighting world as The Reaper, is the most dangerous fighter alive until he suddenly disappears. His disappearance follows the brutal murder of his coach, a loss that leaves him carrying a grudge he cannot ignore. Hidden away from the arenas that once knew his name, he begins to prepare for a reckoning with those responsible. The story centers on a champion who has walked away from fame and must decide how far he will go to settle the score.