Secret Maiden Revolver

Short synopsis: Think "Kampfer" meets "Infinite Stratos"

Tachibana Hinata is always bullied by his classmates for looking like a girl, despite longing to be manly. Suddenly, he's dragged into a mech battle royale exclusively for maidens! How will he deal with this, while preserving his maculinity?

One-shot included in volume: Kurage's Love (くらげの恋, 2009)