Six months have passed since Porky was driven out of Gensokyo. In the outside world, Ness and Paula are just trying to relax when Iku appears with an unusual request. Meanwhile, Koishi and Satori, having been cooped up underground for months, decide to take a look at the surface. What has become of Gensokyo? And what will become of it?

Six months have passed since Porky was driven out of Gensokyo. In the outside world, Ness and Paula are just trying to relax when Iku appears with an unusual request. Meanwhile, Koishi and Satori, having been cooped up underground for months, decide to take a look at the surface. What has become of Gensokyo? And what will become of it?