DMM.com announced today the service end of the Legend of Galactic Heroes Tactics free to play browser game in Japan.
The game release on January 28, 2016 and after a year the service ends on February 28, 2017 at 10:59.

You can buy Bonus Packs until December 22, 2016 and you can buy metal materials until January 12, 2017. For more details please visit the official website and the “Notice” page.