Privacy Policy

Who we are

Our website address is:

What personal data we collect and why we collect it


When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection.

An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: After approval of your comment, your profile picture is visible to the public in the context of your comment.

Contact forms

We have an inquiry form on this site.

We will obtain the following personal information entered when the visitor is inquired from the inquiry form.

Name entered in the inquiry form (HN)
E-mail address entered in the inquiry form
Inquiry contents entered in the inquiry form

By saving the inquiry information from the visitor, when the same visitor makes another inquiry, it is possible to respond based on past inquiry contents and to respond more appropriately can.

In addition, we may also introduce as “We have such inquiries" within this site.

Personal information entered in the inquiry form will be saved for 1 year.

On this site, before you make an inquiry from the inquiry form, I am instructing you to read this privacy policy.

At the time of making an inquiry, the visitor considers it agreed to this privacy policy


If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you have an account and you log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me", your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

Embedded content from other websites

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.


On this site, we use “Google Analytics" access analysis tool by Google.

This Google Analytics uses cookies to collect access information. This access information is collected anonymously, it does not identify individuals.

The Google Analytics cookie will be held for 12 months. Since this function can refuse collecting by invalidating cookie, please confirm the setting of your browser.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Third-party advertisement service

Google Adsense

This site uses the third-party advertisement service “Google Adsense (Google Adsense)".

Third-party advertisement distribution companies such as Google use cookies (such as information that visitors to this site accessed on this site or other sites) in order to display advertisements according to the interests of visitors You must to do something before you go on.

Visitors can disable advertisements (hereinafter referred to as “personalized ads") tailored to the visitors in the advertisement settings.


Posted by M