WHAT DOES MECHASULTAN MEAN?

Kakumeiki Valvrave 2nd Period Haruto and his comrades continue to battle against the forces of Dorssia. On the other hand, a lot of things keep on being unanswered from the midst of battle, such as the previous of L-Elf and his fellow soldier's past, the destiny of your mysterious Woman Liselotte, along with the emotions of Haruto, Shouko, and Saki