Chrome Shelled Regios

[Orpheus 2]

Anyone watched this series? Here's the summary:

In a post-apocalyptic world overrun with mutated beasts called Limbeekoon or Filth Monsters, humanity is forced to live in large mobiles cities call Regios and learn to harness the power of Kei to defend themselves. In the Academy City of Zuellni, Layfon Alseif is hoping to start a new life and forget his past. However, his past has caught the attention of Karian Loss, the Student Council President and Nina Antalk, a Military Arts student and leader of the 17th Platoon, who instantly recognizes his abilities and decides he’s the perfect candidate to join her group. However, with a secret past that won’t leave him alone, and unknown powers beyond the academy taking an interest in him.

This series feature a powerful protagonist Layfon Alseif at the start of the story who is like Kenshin from Samurai X or Van Stampede from Trigun. It is a must watch series if your looking for break from the weak from the start protagonists.