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Namiya Otaru is one of the protagonists, which in the course of time is finding the special puppets who have what are considered virgin circuits, or cyber version of hearts, allowing them to discover and experience human feelings. Lima, Cherry and Blackberry, are the names of these three puppets, which do everything possible to take care and please Otaru and ensuring the good of the human world and the only woman left in this, Lorelei.