Unpack to the folder of choice, use kirakira\_curtaincall.exe ([MediaFire](http://www.mediafire.com/?ztnzxmfomyl); [VirusTotal report](https://www.virustotal.com/file/20491dcffb37f8cdbb906e534e982330c783f0642175b63f18b82f2d2e51bb65/analysis/1326669591/)) instead of BGI.exe to run the game.