Life doesn't always go as planned, and you—as the protagonist—transfer into Gekkoukan High School, located at the center of the man-made Tatsumi Port Island only for a terrifying creature to attack your dorm.

In the midst of chaos, you awaken to your Persona—a powerful force that can be used to fight back.

A group of others who share this power recruit you into their Specialized Extracurricular Excecution Squad (S.E.E.S.), and so begins your journey to uncover the mysteries behind these incidents...