Beatless

"Beatless" is a Japanese science fiction novel series written by Satoshi Hase and illustrated by redjuice. The story is set in a future society where humanoid robots called hIEs (Humanoid Interface Elements) have become a part of everyday life, serving as public and personal servants. The protagonist, Arato Endo, a kind-hearted high school student, treats hIEs as equals, unlike his friends who see them as mere objects. One day, he is attacked by a hacked hIE, and is rescued by a mysterious hIE named Lacia. To survive, Arato makes a contract with Lacia, becoming her owner. However, Lacia is no ordinary hIE; she possesses super artificial intelligence beyond human capabilities and hides deeper secrets. The story explores the meaning of coexistence between humans and artificial intelligence, and humanity's position and value in a technologically advanced society. "Beatless" has been adapted into manga and anime, gaining popularity among science fiction enthusiasts.