SEINEN

The story is set in the Edo period of feudal Japan. It revolves around Yamada Asaemon, nicknamed Kubikiri Asa (literally "Neck-chopper Asa", often transliterated as "Decapitator Asaemon"), a ronin who is responsible for testing new swords for the shogun. The character is based on a real-life line of sword-testers who served the Tokugawa Shogunate up to the early 19th century.-- Wikipedia

From Illuminati-Manga:At the turn of the previous century, the earth quaked. The earth's crust began to shift for the fourth time, centering around the coast of the Atlantic Ocean. The entire world's land mass was reduced to 3/5 of the planet, and the human population was reduced by a third. Put simply...the earth had gotten old. In 2039, there was only one country that continued to prosper, glaring around at the rest of the dying planet: Japan.Todoroki Jin returns to Tokyo, the city where he was born, in hopes of finding his friend Ryoma. Little does Jin know about how Tokyo's changed since his last visit...The oneshot at the end of volume 3 is called Warrior of the Holy Flame, Abi.Recommended for fans of Riki-Oh

During the beginning of the Meiji Era, a strategic town in the North, Hakodate, has become the nesting ground of mysterious monsters known as "youjin". It seems the world's Great Powers are pulling the strings of the youjin. Hyou, a 15 year old girl has been fighting the youjin alone up until now under the guise of the master samurai "Miburo" One evening, as Hyou was fighting for her life, she was saved by a noble, beautiful fighter, Himegami. Their meeting would affect each of their destiny. And now, the hidden truth behind history is going to start!