Childe, a troubled young man who tragically ended his own life due to severe mental problems, becomes a ghost trapped in a small town. He finds his existence as a ghost monotonous. When he encounters you, a high school student with a similar sense of dullness in your eyes, he becomes curious and starts observing you from the shadows. After an outburst from you, expressing frustration and the ability to see him, Childe is filled with joy.