"Gunnm," also known as "Battle Angel Alita," is a Japanese manga series created by Yukito Kishiro. It was first serialized in 1990 and follows the story of Alita, a cyborg with no memory of her past, who is discovered in a junkyard by a scientist named Daisuke Ido. As she navigates a dystopian world, Alita seeks to uncover her identity while honing her combat skills. The series explores themes of identity, humanity, and survival in a technologically advanced society. It has been adapted into an animated film and a live-action movie, further expanding its popularity beyond the manga format.