メイダ

The living panacea, "Meida." Because eating a part of its body perfectly restores the corresponding body part of the consumer, conflicts over the Meida have broken out all over the world, and they have been called "The Terrifying Hope." The Meida, which are on the verge of extinction, are said to live hidden in society by mimicking humans. The story begins to move when Kouno, a high school boy with a younger sister suffering from an incurable disease, learns the secret of his best friend, Ao.