A tale about an abused high school boy named Daichi who encountered an autistic girl named Hiromi. Although Hiromi has difficulties with speech, Daichi managed to form an unexpected friendship. But soon after, they found themselves in the midst of a crime scene. A murderer is on the loose. What will happen to Daichi and Hiromi's friendship? Will the murderer be put behind bars?

A high school girl meets a random old worker.