This game looks aweseome, gonna play this ASAP.
Official site : http://tasofro.net./mdk/
Hrm? What? You want to play this awesome game too?
Download here : http://www.mediafire.com/?1tva234d7fcdw
You can find the updates of this game (where there are new characters, or some other important updates) in the team's official site : http://www.tasofro.net/arc/index.html#407
You can also find the walkthrough, character moves, and other important stuff here : http://wiki.puella-magi.net/Grief_Syndrome