DMM.com started today the official service of the Ao no Kanata no Four Rhythm -ETERNAL SKY- PC browser game in Japan.
The new title which is based on the popular TV Animation available for free and if you pre-registered before during the event, you can already claim your registration gifts.

This title is a card battle game where you have to collect different characters cards from the original story. While the basic story going to follows the original anime version, DMM added some extra side story scenarios.

If you like the original anime and you can login to the DMM.com you should give a try for this game!