If you want to stay past the period of residence status will continue in Japan, you need to the extension of period of stay permit application.
When Do Immigration Bureau Start Accepting Your Application?
Application is available from the previous three months of the visa expiration date. Until the day of the visa expiration date (the day after the holidays in the case of weekends and holidays), although you can apply for, let's apply early with a margin. It will be and are not the update will be overstaying (illegal stay).
In the Visa naturalization support center, so that we can support the procedures of visa renewal application, please feel free to contact us.