4-minute walk from the A7 exit at Jinbōchō Station (Toei Mita Line, Toei Shinjuku Line, Tokyo Metro Hanzomon Line). The JKA office is in the blue and gray Shōkō Building, 5th floor. Contact Us If you are human, leave this field blank. Name * First Last * Last Email * Subject * Message * reCAPTCHA Submit * required