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A Karate Dojo in the Heart of Tokyo - [Kyokushin Shinjuku Dojo]

[Woman karate master]Mika Hamai

-      Kyokushin Karate, 5th Dan, and a former member of the Japan National Team

-      Graduated from the Faculty of Commerce, Chuo University

-      Certified childminder, approved by an NPO, Shin Hoiku Gakkai



Mika presides as the head of Kyokushin Hamai Group, one of the worldwide Kyokushin groups after taking it over 5 years ago. She also presides over the karate school in Tokyo, friendly to children and beginners, operating 3 karate dojos in Nakano-sakaue, Yoyogi-uehara, and Yotsuya and teaching about 300 students.

[Chief instructor] Takayuki Ishidoya


Takayuki is the chief instructor for our karate school.

He has rich experience in instructing many karate athletes from beginners to Japan National Team members. His attentive and detailed instructions have won many admirers, men and women of all ages.

Not only is he familiar with martial arts and body building, but also as his hobby he regularly participates in marathon races and the SPARTAN RACE, the world highest obstacle race.