13 years ago, the angels invaded Earth. Since then, various organisations have cropped up in order to protect the world from them. Seika College boasts... more>> the best Angel Assassination Squad in Japan. Its students are all from prestigious family backgrounds, the cream of the country. What will happen when rough-mannered country bumpkin Kentarou Uesugi and his quiet, mysterious friend Shinobu Akehoshi are invited to enter? <<less