What if she is not a human?  What if she is a cyborg?  What if she is cruel murderer that has killed thousands of people?  She looks like a normal kind girl. She takes care of you.  How do you know she is not pretending?  Nava Einstein is a prodigy that was captured by an evil Empire and was forced to conduct  thousands of heinous human experiments to create super-soldiers.  In order to escape from the Empire, she experimented on herself and replaced most of her body parts with machines.  But she could not escape from her past. It came back to haunt her. One of her experiment subjects comes back for revenge. He captures her and traps her in an underground facility.  During her capture, Nava started to realise that he is just a person in pain. She sees past his threats and anger, and fell in love with his kindness.  But will he ever forgive Nava for what she has done? This is a story about a forbidden love between a cyborg and one of her experiment subject. Who is the perpetrator? Who is the victim? Can love exist between them?