Between the ever-present threat of Asterism attacks and the many other trials they face in their daily routines, the citizens of Estella City tend to have their hands full. However, with the help of the Axis Foundation and its agents, life carries on mostly normally. After being tortured by curiosity for long enough, third-year high school student Gray decides to find out what club activities his childhood friend Alice and classmate Nina get up to after class. Several life-changing decisions later, and Gray is a full-fledged member of the Paranormal Research Club, a subsidiary of the Axis Foundation that deals with day-to-day Asterism-related missions. Prepare yourself for a tale of mystery, identity, bonds, and second chances… Or third.