In the spring when the cherry blossom petals fall, Y? Narukami moves to Yaso Inaba to live with his uncle and cousin because of his household's plight. He transports to Yasogami High School, where his school life begins. But when successive murders begin happening from the calm city, Y? is awakened to the energy of his heart switched to bodily kind: A Persona. Within these new mysteries is Marie, a resident of this Earth, the Velvet Room, that has no memories of yesteryear. Together with his buddies, Y? should fix all the riddles placed in front of him and rescue Yaso Inaba from further violence.