LINE Official Account is a corporate LINE account that allows you to create a connection between your company and users in the same way that you communicate with your family and friends on LINE.
An official LINE account can be opened for free, and up to 1,000 messages can be sent each month for free. For more information, please refer to the following page.
LINE Official Account:
https://www.linebiz.com/jp/service/line-official-account/
Next: Creating a LINE Official Account