ISI Education Center
9F 2-29-14 Minami Ikebukuro, Toshima-ku, Tokyo, 171-0022
※Our office address will be chandged on February 18 2019.
As forwarding service requested for a while, mails to old address is also receivable.
9F Sunshin 60 Bldg., 3-1-1 Higashi-Ikebukuro, Toshima-ku, Tokyo, 170-0009, Japan