Vector today announced the service end of the VELSTRISE PC Browser game in Japan.
The game released in 2015 September in Japan as a free to play title but looks like after one year the game going to offline.

It should be noted that you can’t register a new account from today and the sale of the SG points going to ends on November 16 at 11:00 (local Japan time) and the service ends on December 21 at 11:00.
The company going to ends the support service on January 20, 2017 (e-mail service).
Vector can not pay back any refund if you buy SG points now or you already bought some.