(from ebookjapan):
The five members, Double 6 (Rokumura 6-hei - 6 read as 'Roku'), Marippe (Mariko Yamada), Razor (Kiyoshi Daimonji), Squirrel (Kantaro hayashi), and Gorilla (Miya Sagawa), are high school students who are involved in some sort of incident. They receive news that their friend Squirrel has been captured by the police. The squirrel's commuter pass was found at the scene of a robbery by three masked men. Will they be able to rescue their friend? The story then turns to the love affair between childhood friends 6hei and Marippe.......? A masterpiece of bright and refreshing adolescent suspense comedy.