Amnesia

A young woman wakes up in the back room of a café with no recollection of her life or those around her. Her friends Shin and Toma help her get home, but she soon encounters a spectral boy named Orion who claims to be responsible for her amnesia. As she begins to regain her memories, she must navigate her relationships with Shin, Toma, Ikki, and others without arousing their suspicions. Her memories return piece by piece, unraveling the mysteries of her circumstances.