from the first paragraph: "Imagine a dystopian future in which aliens with a taste for human flesh kidnapped a bunch of people from Earth and raised them as liv

from the first paragraph: "Imagine a dystopian future in which aliens with a taste for human flesh kidnapped a bunch of people from Earth and raised them as livestock on their alien planet. Humans on the alien planet are kept alive “free-range,” able to interact and live their life, but only for their first 20 years. Then they are harvested for food." yeah, its "The Promised Neverland"