In my past life, I perished at a young age, only to be unexpectedly transported back in time to an era when powerful dynasties reigned. But what seemed like a stroke of good fortune turned out to be anything but. In that earlier incarnation, I had met an untimely end at the hands of my own husband, the emperor himself. Now, I find myself reincarnated as a little girl – the emperor's own sister!
During her summer break, Yumi Nagumo - a naive high school student with a desire to become the president after graduation - surprises her classmates by travelling to the United States. After meeting elderly veterans, she believes that joining the Marine Corps is the best way to achieve her goals. Yumi and Linda Crawford, a waitress, go to the recruitment center where they meet Rita Fernandez and Donna King. It remains unclear if they possess the qualities required to survive the challenges of Marine training.
Aren and Toa endured the grueling labor of the Trebian Empire's mines for a decade. Aren longed to flee the mines with his twin sister, but their escape plan never came to fruition. Sadly, Toa took her own life, leaving Aren with no will to live. As he contemplated suicide, a mysterious figure named 'Deed' offered him a chance to revive Toa in exchange for a contract.