English DL Site: https://www.dlsite.com/ecchi-eng/work/=/product_id/RE246681.html
Jap DL Site: https://www.dlsite.com/maniax/work/=/product_id/RJ246681.html
(Current?) Creator's Blog: http://blacksubmarine.sblo.jp/
(Old?) Creator's Blog: http://mandokuse.info/bssoft/sakuhin.php
Previous Games...