Bullied at school, not loved at home, and suicidal senior Siyu Fu, hates how she likes girls. Suddenly, on a rainy day, she meets a strange girl. She has no memory, doesn't feel hunger, and doesn't feel pain. Siyu fell in love at first sight with this girl, while staying by her side to understand the strange notes that appear in her pocket. Gradually, she discovers that the girl with amnesia is...