At night, before the end of the summer holidays, Asaba Naoyuki sneaked his way to the school pool.And there he unexpectedly meets Iriyu Kahn - a strange girl with electric balls at the wrists. Soon Iria translates into the classroom where learning Asaba. But she can not find a common language with classmates... With anyone except Asaba. Only she could open it only could talk to him. Between them fairly quickly began a friendship.However Iriyu for some reason, often called the teachers on the speakerphone, and sometimes she behaved strangely. Whenever Iria are in trouble, there is a Enomoto - a man in a black cloak. Perhaps the fate of it attributed some important mission, leaving her a chance to choose from? Little of,studied school Radioclub secrets Sonohara military range and the incident with aliens occurred in 1947, are slowly beginning to emerge out when the characters become aware of the existence of secret warships "Manta" and specially trained pilots to management. Here originates and exciting stories Asaba and Iria.