Tomoe Hanba

On the world of Prester, the nations of Anatore and Dusis are deep in a war that is controlled by a secret organization known as the Guild. However, Claus Valca and Lavie Head want no part of it and instead are the pilot and navigator of a messenger vanship. Flying across a sea of wind and clouds, they deliver messages to anyone and anywhere. After a near-death collision with a crippled vanship during a local race, both are asked to deliver a young girl named Alvis to the infamous battleship Sylvana. Followed by a star-shaped craft bent on killing them, these three lives are about to forever alter the face of Prester.

A dream of falling from the sky...and then birth. Rakka is born from a large cocoon into the Old Home, greeted by a group of females with small wings on their backs and shining halos above their heads. Soon Rakka's own wings grow, a halo is placed on her head and she is told that she must work in the nearby town of Grie. She soon realizes that the town and the entire world they live in are confined behind the Wall, a tall, impenetrable wall that none except the mysterious Toga are allowed to exit.

Wataru Minakami is a top student who failed his high school entrence exam because of a computer glitch . He later discovered that he was accepted to Stargazer Hill Academy, which is located at a mysterious place called Promised Island. At the request of his father, Wataru is whisked away to the island, and before he can settle in, a dozen of cute and charming girls start to flock him and claim to be his younger sisters. As Wataru gets closer to his newfound siblings, a deeper mystery as to why they were sent to the island comes to play.