1, working in Japan first, the income belongs to the income from giving, that is, the income from wages. This kind of income needs to pay national tax and local resident tax.

2. Secondly, if you work in two companies at the same time, your income will exceed a certain amount, which will lead to the need for me to declare taxes, rather than being withheld and remitted by the employer.

3. Finally, it is necessary to submit a definitive declaration, that is, a tax return, to the tax bureau from February 16 to March 15 every year.