The Space Science Club famous for constantly loitering about has finally exhausted the student council's patience. Now in order to stay active it has to participate in the world's first contest themed "flying using electric and wind powers only". To do so, Sorata and his friends must win a competition with aviation club which is one of the best in their academy. They have no choice but to start modifications on a light glider under the leadership of their new adviser. The summer they won't be able to forget starts now...