Kiritsu Taisei (規律体制, lit; Law and Order) is a samurai hailing from the Land of Iron and is a member of the Three Musketeers. Trained thoroughly in the arts of kenjutsu by his father, he is set to be the next Crescent Samurai, a title held by the elite samurai of the Taisei clan for untold centuries. He has been taught the most high caliber form of the Taisei clan's kenjutsu, known as Ittō Shōden Mutō-ryū, which was created by his father to combine both the kenjutsu that had been passed down by the clan, and the skills Kiritsu's father learned from his masters. Having been born deaf, Kiritsu learned to harness his other senses to compensate, allowing him far greater sensory capabilities, which is most pronounced in his senses of touch and smell. He has learned how to "listen" to people by