If you want to work, one must get a permission from the immigration office. At the same time, one should not violate the rules and conditions set by the immigration office. Permitted by the Status of Residence Previously Granted. When you take a part-time job, you must first apply for permission from the Immigration Bureau that allows you to engage in these activities. Once you get the permission, it will be effective no matter how often you change your part-time jobs.
Application is free.
8 hours a day during summer break, winter break, and spring break. 8 hours a day during summer break, winter break, and spring break. At these kinds of places you cannot even take a cleaning or dishwashing job.