Battle Girl High School Part 2: Deep Connect (Light Novel)

In the year 2045, mysterious invaders called the Irous have attacked the planet, and humanity struggles to survive as they overrun the land. The Earth’s only hope against this new enemy that threatens humanity? Superpowered schoolgirls, of course! Shinjugamine Girls Academy is a school that trains girls called Star Guardians to fight against the Irous. Together, these brave girls work hard day in and day out in intense training so they can protect the Earth all while trying to enjoy their school life!
In Vol. 2, the Star Guardians have reclaimed the planet from the Irous, but the threat isn’t over yet. Meanwhile, two girls who aren’t Star Guardians suddenly appear on the scene: Kanon and Shiho from the popular high school idol group f*f!
Notice: This book is written in Japanese.