There are two different worlds... They are quite similar, but conflicting with each other. One of the world is called the World of White Silver that exists independently. However, the other world coexists with other worlds, closely affecting each other. People of these worlds hate to be invaded by others. And this power invites another chaos... [From ErogeShop] Gouen no Soleil -Chaos Region- is an adventure game with card battles.

Two planets, two worlds. One world doesn't stop the abuse of natural resourses, and the other world just waits for its end calmly. But the two worlds get together and become one planet, including inhabitants. In the new world, the gold moon and silver moon appear at night, and science and magic coexist. Humans, elves, monsters and spirits live together peacefully, and this is a bitter and sweet love story among them... [From Himeya Shop]