Assault Lily: The first male Lily

In the near future, humanity faces imminent destruction from mysterious creatures known as Huge. The world wages war against the Huge, and develops the anti-weapon CHARM (Counter Huge Arms) by combining science and magic. CHARMs work most effectively when used by teenage girls, and those who use the weapons are revered as "Lilies." The Lilies are trained at military academies called Gardens, which also serve as bases to protect and guide people.

since the user Charms was teenage girl.... what would happen when there, an only one male student, managed to become a Lilies?

this story followed by our protagonist, Yuito Inoue, who now is the only male Lilies to ever exist and need to be student on GARDENS school called Yurigaoka. but there only one problem, he is ONLY male student, so how his life will be in this chaotic situation? let's find out.