Sengoku Basara takes place during the Warring States Era/Sengoku period, when Japan was was splitted into many minor states fighting over the power and land. The game features the two historical warlords being the main characters: Date Masamune and Sanada Yukimura.
Chōsokabe Motochika, the Lord of Shikoku island and a pirate leader, strongly opposed and fight against anyone conquering his lands. He had various rivalry an battles with Mori Motonari and had partnership with Mori Ranmaru. Motochika has white skin, blue eyes, white spiky hair with portion partly down at the sides of the face with a purple eye patch on left eye, wears purple pants with black armor patch on legs under a black boots, topless but have a purple cape with stiff collar, choker, an armor on arms, sash tied on hips, and a big silver anchor.
Mōri Motonari only cares about winning young genius daimyo. He has green motif on all his outfits. He has neck-length greenish black hair, chinky black eyes, green chinese style top with green with blue stripes long sleeve straight arm armor covering only outside part of the arms, teal genie-like pants under black knee-length boots, a green curved and pointed hat like a single horn and has two curved sword that can be formed into circle.
Other characters was Gohonyari, a group of mercenaries hired by Hōjō Ujimasa, an old man wearing traditional kimono and black hair cap, Azai Nagamasa, a young man who usually wears outfits with complete body armor, and Shimazu Yoshihiro, white haired old fat and stout man who wears body armor over his top and bottom and has a big hammer and supposedly, they are the super sentai rangers the Sengoku version. Gohonyari has five members called Five Spears because they use spears. They have the same looks and outfits but comes in different colors with respective traditional samurai armors.