Lone Wolf and Cub, Omnibus 10

Itto Ogami is separated from his son while battling Yagu assassins, and embarks on a mission of retribution, cutting down any obstacle in his path to find his missing child. His son however, is no pushover himself, having chosen the path of the ronin assassin - despite being only three, he already has the heart of a warrior. The two fight to be reunited in this pulsating collection of fierce storytelling.