Xam'd: Lost Memories (5.7)

Show · 2008 · 1 season · Animation, Sci-Fi & Fantasy, Action & Adventure

Set on a peaceful island during a violent terrorist attack, a young boy is suddenly transformed into a metal-cased mercenary. But with this great power comes even greater danger. Aiyuki must discover how to master this remarkable new power-or risk having this mysterious fusion of rock, metal and magic destroy him!

Starring Michiko Neya, 藤村歩, Atsushi Abe, Shinnosuke Tachibana, Fumiko Orikasa, Kenji Hamada, Katsuyuki Konishi, Yumi Tamai, Risa Hayamizu, Unsho Ishizuka

We don't know where to watch it in the US.