This game is a Bullet hell Manic shooter, Meaning you will have to lead bullets and maintain firm in your position while killing enemies, But... The difference in this game is that you have to be aggressive with enemy formations. Select between Power or Speed modes, and use your Pierce Lance to obliterate enemies and gather their Emerald stones to rack up your Emerald Chain. But if things get to hectic, use your Sword Slash if charged... Rush through 4 score dense and challenging stages and bosses, going against whatever stands in the way of your mission...

This game takes place in 2050, when Japan and America collaborate to become one nation... The Neo-East/West. They invest in many scientific discoveries, one of which being the study of a new energy source, the Core Stones. Core Stones were found deep in the earths core, and combined with electricity, becoming Emerald Cores. Emerald Cores started being used as a universal power source for everything, until it was found out that they slowly degrade the human body, which was covered up by the government... A lone military pilot decides to steal the Swan EM-43DSC and break out, to rebel against the cover up and to abolish the main power source of the world...