The heroine Feiyue was originally a weak high school student. Her evil thoughts broke out because her boyfriend was robbed by her best friend. The cold demon Roy was summoned. Roy helped her win back her boyfriend, changing her personality drastically and becoming the school bully. She only realized her sincerity when Roy was about to leave. However, Leti, who Roy had loved deeply before, came to persuade Roy to go back. She said that she heard the conversation between the God of Death and his men. In fact, Roy's body was retained by the God of Death, and Roy did not really die from his illness. When Roy hesitated, Feiyue's strong desire to help Roy summoned the gentle holy angel Ren. Who will Roy choose? Should you succumb to the powerful God of Death, or fight against fate? Feiyue, between angels and demons, who will you choose?