First, contact the School via e-mail please.
About admission
May I enroll even if I have never studied Japanese?
When you apply for the student visa you have to proof, with a certificate, that you studied Japanese at least for 150 hours. If you have never studied Japanese you cannot register to the School.
How long obtaining the student visa takes?
For students expected to come in Japan in April, the visa will be issued about the end of February. For students expected to come in October, it will be issued at the end of August.