When you are tattered and have a vacant memory in the middle of nowhere what do you do? You fight your way out. Or at least for Sariko. In the year 3126 natural recourses are scarce and humanity is putting itself in danger. The new army force the world combined to make humanity thrive once again is called the "Vipers" which is and only humanity's last hope. With the help of a new friend will Sariko find a new home and remember her past? Will she make use of her newly found talents? Read to find out.