Kiyochika is one of Kojiro's five Straw Hat followers in The Six Blades of Kojiro. He meditates under a waterfall near Lucky Genzo's Inn while he waits for the Duel Under Falling Water.
Jin overpowers him and kills him with his katana.
Hirotsune
Hirotsune is one of Kojiro's five Straw Hat followers in The Six Blades of Kojiro. He practises with his sword in the Field of the Equinox Flower while waiting for the Duel Among Spider Lilies.
Kanetomo
Kanetomo is the cruellest of Kojiro's five Straw Hat followers in The Six Blades of Kojiro. He waits for Jin in Kubara and kills peasants to pass the time before the Duel Under Autumn Leaves.
Kojiro
Kojiro is a legendary Straw Hat ronin and the final opponent of the Mythic Tale The Six Blades of Kojiro. He and five chosen Straw Hats swear to kill Jin. You must beat the five before Kojiro will face you in a waterfall cave near Omi Monastery.
Tomotsugu
Tomotsugu is one of Kojiro's five Straw Hat followers in The Six Blades of Kojiro. You find him fishing on a beach near Urashima's Village, ready for the Duel of Crashing Waves.