Persona 3 Reload: Episode Aigis (DLC)

Official description: After unravelling the mysteries of the Dark Hour, fighting epic battles through Tartarus, and all the unforgettable events of Persona 3 Reload, the S.E.E.S. members find themselves trapped in a never-ending March 31st. Journey through the Abyss of Time as Aigis, undertake new challenges, and uncover the cause of this strange fate and the truth of what happened on that day...