The are the legendary creators of the Geki Jūken style, originally under the wing of Brusa Ee. When three fellow students split away to found the Rin Jūken as Three Kenma, killing Brusa Ee, the two groups battled in the Geki-Rin Rebellion. This ended with the Kensei using a forbidden Geki Waza that sealed the Kenmas' bodies while forcing the seven Kensei into their animal forms. They swore a Jūken Oath of nonviolence soon after, fighting only in defense. Among them are the creators of the three Geki Jūken weapon styles that utilize one's heart and the meteor hammer, one's technique and the war fan, and one's body with sabers. Three others make up the , three Kensei who had each fully mastered one of the three major aspects of the Geki Jūken Beast Arts: Heart, Technique, and Body. The seventh Kensei, Xia Fu, mastered all three aspects of the Beast Arts and thus is the strongest of the Kensei. While it was Xia Fu who took the Gekirangers under his wing, the others have taught his students the weapon techniques of their styles and the path to obtain Kageki. Once every year, the Kensei would gather to have their annual , where they hone their skills while maintaining fair sportsmanship.