What are the requirements for working and immigrating in Japan?

I checked the basic conditions for applying for naturalization:

Have a permanent residence in Japan for more than 5 years.

Over 20 years old, with civil capacity.

I have always had a good personality. (nonsense)

The applicant has sufficient assets or skills to make a living.

Give up one's original nationality

Not a member of a cult, violent society or illegal group.

The documents required to apply for naturalization are as follows:

Permission to apply for naturalization;

Overview of kinship;

Resume;

A statement of naturalization motives;

Certificate of nationality;

Identification certificate;

Certificate of the original registered items of the foreigner;

Affidavit;

Summary of livelihood;

On-the-job and salary certificate;

General situation of enterprises (institutions);

Tax payment certificate;

First, you can buy a house in Japan (you can also rent a house after being reminded). However, combined with the documents to be submitted below, you can know that you must have a job or an enterprise in Japan, otherwise it is impossible not to pay taxes, which coincides with Article 4. Other conditions are basically bullshit.