Read more about Juken Sentai Gekiranger at: Wikipedia

Official Site: Toei Company

is a fictional school of martial arts practiced by the protagonists of the Japan Super Sentai show Juken Sentai Gekiranger. Those that practice Geki Jūken use a form of Qi within their bodies that manifests their passion for justice, called , as their power source. The ultimate form of Geki is the , which can manifest if the user mastered different aspects of the triangle and selflessly has the intent to protect others at mind. The sporting goods company serves as a front for the martial arts school, specifically its Gekirangers.

When transformed into the Gekirangers, the group says . When having transformed into the Super Gekirangers, the group says .

practices the style, though still a beginner, his main focus is on power and Hu Quan moves. He is a Feral child who was raised by the tigers deep within the forest near the . The son of Dan, Jyan was the sole surviving member of the nearby village that was destroyed by Long. Long had intended to kill Jyan in order to prevent Rio from fighting him, since Rio would undoubtably see Jyan as a potential rival since Dan is his father. But the pain of his mother's death before his eyes while holding on to dear life on the rapids blocked out his entire childhood memory prior to being raised in the wild. Because of his lineage, his senses have been sharply enhanced to feel qi like Xia Fu, who scouted Jyan as he personifies the of a Gekiranger: Resistance to most forms of pain. This selection is strengthened when Jyan emits Gekiwhile giving off a "Tiger's Roar" when the Akugata began to attack. Although at first he doesn't understand certain concepts or training, he eventually picks up and learns about it at a fairly high pace. He does not know very many common words so he sometimes describes things with words such as "niki-niki", "zowa-zowa", "waki-waki", his own personal "Jyan-ish" language. As he was raised by animals, he does not know and has to learn about the "Heart". Jyan is eventually labeled as Rio's rival after witnessing the display of power used to stop his own attack. He becomes Sharkie Chan's first student of the sword-fighting style. Though Jan possesses the , he is unable to fully use it in his first fight with Rio.

Jyan competes with Gorie Yen in a coin-stacking competition to improve his "Heart" to try to achieve the Kageki, but he fails because when he tells Gorie that he practices Geki Jūken to become stronger, Gorie says that Jyan is no better than Rio for following a similar ideology. Yet, once Jyan realizes that his reason is to fight in order to protect others, he is able to transform into , using the style and is the .

Juken Sentai Gekiranger has not been a contender in any CBUB matches.