Manga by author Yamaguchi Takayuki

1630, in the province of Suruga, Japan. The cruel prince Tadanaga Tokugawa, third brother of the Shogun Iemitsu, decides to gather the most valiant fighters to make them face eachothers in a tournament. The first duel opposes two men that seem to know eachothers, Gennosuke Fujiki and Seigen Irako. But what is their real connection? Warning! Extremely violent, gory including sex. For a mature audience only.

A series of natural disasters has reduced the world to rubble, with the survivors doing whatever they must to survive in a world gone mad. But one young boy, Kakugo, gifted with amazing martial arts and a superpowerful suit of armor by his late father, has been charged with making the world (or at least his school) a safer place. But his sister has a matching set of skills and equipment, and she`s on a mission to bring peace to the world... by wiping out humanity!