Financial situation of your business and extension of your status of residence
Depending on financial situation, your business will show loss and it is not serious problem.
However, if your business shows loss for two years in row, immigration office will inspect your business prudently.
If the amount of retained earnings ( Joyokin = accumulated profit ) in your company is less than zero and it damaged shareholder’s equity, it is problem.
You need to provide detailed business plan to solve serious financial situation.
If there is not any sales amount, it means your business does not have any substance and it should be difficult to extend your status of residence in Japan.
Valid period of status of residence as business manager
In the case you have applied for status of residence for the first time, valid period of your status of residence will be for four months or one year.
So, you need to take necessary process after four months or one year.
How to obtain business manager visa in Japan, page 4
You can also read “Start Up Visa of Japan“
You may be able to acquire the status of residence of the business manager before you prepare an office space and incorporation of company in Japan.