Mecha-Ude: Mechanical Arms

Hikaru is just an average middle school student until he meets Alma, an alien that looks like a mechanized arm called a Mecha-Ude. Alma is part of a rare species being hunted by a dangerous group searching for one with extraordinary power. Now, with the help of the resistance group ARMS, Hikaru and Alma must team up on a risky mission to protect the Mecha-Ude.