Doujin Alert - Receive emails about new releases and sales information for FANZA Doujin

This is essentially the same service as the AV Alert (https://av-alert.info/）) that we made available on Tsukutta. This time, we are targeting FANZA doujinshi.

Doujinshi Alert is a free service that automatically distributes new release information for FANZA doujinshi.
・Register up to 100 keywords such as circle names, author names, genres, etc.
・Instant notifications for new FANZA doujinshi releases
・Automatically notify you of sale information with 20% OFF or more
・Completely free, registration is completed in just 1 minute