This comic was requested by spacecow2455 on Vgen.
the story based on Chapter 4 of the Symphogear XDU story BAYONET CHARGE, “Assault on Vimana.”
https://www.tumblr.com/spacecow2455/770848967794786304/i-commissioned-yu-enmi-httpsvgencoyuenmi-to
https://vgen.co/yuenmi