Born in Tokyo in 1971. He began to play diatonic harmonica from the age of 17 and debuted in 2001 by duo "Kotetsu & Yancy" as a singer songwriter and pianist.
Currently, KOTEZ & YANCY is also known for performing with Doctor John, Buddy Guy and Otis Rush. Also performing in Blues band "blues.the-butcher-590213" with collaboration activities welcoming guests such as Mush Kamayatsu, LEYONA, Makoto Ayukawa, Fusanosuke Kondo and Junji Yamagishi. Besides performing in two units by Nobuo Yagi and KOTEZ both playing harmonica, HARP MADNESS, ELECTRIC HARP MADDNESS. Based on the suggestion of bassist Hirofumi Eguchi, the unit that completely launched the VOCAL of KOTEZ, 100% KOTEZsings. Regular unit with two female dancers with different tap styles, "Namahamumeron", he is doing wide range of activities, such as live, recording, CF narration, and music writers.