Kuroda, the puppet master, invented the Hybrid Child, a specialized android that is neither a machine nor a real human being. Originally purchased by lonely rich people yearning for companionship, the Hybrid Child is able to grow like a human when showered with love and care by its master. Even though they are designed like dolls, they have consciousness and can feel all kinds of emotions.Hybrid Child is made up of three very emotional and tragic love stories that explain the depth of a bond between a Hybrid Child and its owner.