Bushido the Way of Men is a 2D indie game in the feudal era of Japan in the 17th century. You are Oishi Matabei last survivor of the Chōsokabe clan. Left for dead, you took refuge in a small village on the island of Kyushu (Tomari, Satsuma province) in southern Japan. Became a Ronin, your last wish is to find those responsible for the destruction of your clan and avenge your Daimyō.
Hara the weaponsmith (Tohsho) that you will meet in the Tomari village.
He will allow you to upgrade your Katana...If you have money of course ;)