One day, Nora came upon a girl named Patricia in a park on his way to school. She was a Princess of the Underworld and she came to the world of the living on her mother’s orders to destroy everything and remind humans of death. However, the life energies were too strong for her and she was overwhelmed by it. Nora took care of her while she was feeling ill, and she fell in love with him as a result. She asked him to explain the ‘mysteries of life’, but why does that include reading porn books...!?