Gensokyo suddenly plunged into a huge miasma of toxic fog, and the lands are now gloomy and lifeless. The source of these strange phenomena is the Nameless Hill, a forgotten land of sin. It's a danmaku experience full of poisons and suffocation. That means, this is a shooting game.

Gensokyo suddenly plunged into a huge miasma of toxic fog, and the lands are now gloomy and lifeless. The source of these strange phenomena is the Nameless Hill, a forgotten land of sin. It's a danmaku experience full of poisons and suffocation. That means, this is a shooting game.