This story takes place in a fictitious town, in a fictitious country, in a fictitious realm. The protagonist, a young woman, wakes up one day to find that all her memories from before that day have disappeared. Her previous life, relationships, and even her identity are gone. All she has is a phone with unfamiliar numbers and names and a young boy named Orion who is invisible to everybody else. With the aid of Orion, she tries to figure out who she really is, as well as her enigmatic boyfriend and the various aspects of everyday life. Since she is stranded without any memories, she must make new ones, even if it means abandoning people from her past.