Dengeki!! Aegis5 Act. II

is the second volume of the Dengeki!! Aegis5 light novel series, written by Nagaru Tanigawa and Illustrated by Nao Goto. It was released under the Dengeki Bunko Imprint in October 2005.

Synopsis
To protect the Earth from the mysterious invaders, the mad scientist's grandfather has formed "Aegis 5", a battle team consisting only of beautiful girls! As a leader, what is the fate of Hideaki Sakasegawa, who cooks their meals, looks at their homework, and sometimes comforts them, and lives together under one roof !? Hideaki thinks. Why do enemies appear? The reason is a mystery, but there is no element in this world that is more convincing than the current situation. ...... Well, is there such a student life !? At the end of the book, Nao Goto's one-page manga "Ura-Ijisu Manga" serialized in "Dengeki Moeou" is completely recorded!

(source: Bookwalker JP - Translated)