The AI-equipped android “Machina” was the world’s first to pass the Turing test. She was an extremely sophisticated android that could be mistaken for an actual human, however it seemed that she still had immature areas that could be developed further. The protagonist and developer Hiro, along with the co-developer Karen, prototype robot Proto, and Machina—who started working as Hiro’s maid—lived their daily lives which intermingle with one another. As Machina matured day by day, Hiro began to grow special feelings for her… An android heroine and a brilliant but lonely protagonist— the two mutually struggle to grow, defy fate, and attain happiness. This is a story of pure love and heartfelt bonds.