From the blog "Clephas' VN home"

This is the second game in the 9 -nine- series, a half-chuunige series that began last year.  For my comments on the first game, look below.   I'm going to be blunt... all my complaints about the previous game in the series still apply here.  While a little more information is revealed in the second game than the first, and two of the characters (Haruka and Sora) come to life a great deal more than in the first game, it has to be said that the sense that I should have waited for all t