Other Title(s)AMNESIA(アムネシア)
Genre(s)Shoujo, Romance
SynopsisOn the morning of August 1 protagonist wakes up and discovers she has absolutely no memories of the past. A boy appears before her, and introduces himself as a 'spirit' named Orion. The protagonist struggles to regain her memories under the guidance of Orion. She then gets a phone call, but she does not recognize the name on her mobile phone screen. She meets her apparent 'boyfriend,' despite not knowing his face.