This is Japan in the sengoku period. There are a lot of villages ruled by emperors. This time there are mastered swordsmen or a.k.a. samurais. There are samurais that protect, and they’re also samurais to kill for money. in this time they are ranks. It goes to rank A, Rank B, Rank C to rank S. If you have Rank S you’re going to be a biggest target to every samurai or other swordsman. Everyone can use a katana or a spear or a bow and arrow. There are also a lot of beautiful women in kimonos.