You're a university student who studies the art of making robots. As the teacher announces your finals in one month, told everyone that the best one would automatically pass the class, and being the over-achiever you are when it comes to what you like, went overboard. Now you have a humanoid robot in your house named Nathaniel treating you to your needs and wants.

Little did you know that he was aware of human emotions and is a yandere for his creator