To apply for a student visa in Japan, applicants must submit several documents including educational certificates with notary, an experience letter, a Japanese language course certificate, citizenship certificate, and a guarantor certificate. The guarantor must have bank deposits of over 20 lakh taka, a relationship certificate with the bank, 3 years of bank statements, tax documents from the last 3 years, and a filled out form from the Japanese school or institute. Applicants must also submit a passport copy, 15 passport size pictures, and apply in person at the Bangladesh office of SYNTAX IES COM. Applicants should wait 90 days from their interview or supplemental document submission before inquiring about their visa status.