Asuka and her friends have arrived in Okinawa for an outdoor study trip. Meanwhile, Iizuka's 'M Team' and Mia, Tamara, and others are visiting the Naha garrison for security at the interdimensional trade conference. However, at that moment, Ghis launches an attack, bringing along Chisato, who has become a magical girl!! Asuka, Kurumi, Mia, and Tamara, the 'Legendary Five,' join forces once again to confront the Babel Brigade in battle—but what will happen!? This is the intense fourth volume, which also includes the bonus chapter 'Let's Eat Military Food'!