Ishizuka Unshou

The story revolves around high school girls who discover the appeal of motorcycles. Sakura Hane is a high school student who looks a little bit like an airhead. On the way to her all-female high school one day, she is worn-out climbing a hilly road with a bicycle, but she sees a girl named Amano Onsa who is riding a motorcycle. Sakura immediately becomes interested in…

Note: Bundled with manga's seventh and ninth volumes.

In the year 3015, the great nations Donatia and Kouran divide the world in a cold war as they fight for supremacy. Amidst this standoff is the island country Nil Kamui, which has lost its independence. Red Dragon, the guardian god of Nil Kamui, goes out of control. Will the island country manage to regain its independence? Source: Famitsu