What the customer left behind in the cab is a passport that opens the door to nightmares and horror. After a collision, Nagashi Kawatome is rushed to the emergency room, where he loses his memory and does not know who he is. When Kawatome meets Katsuie Takaishi, who works as a head nurse at the hospital where she is hospitalized, she tries to regain her memory, but ......

Naoko Tanaka is a 26-year-old office lady (OL). Her job is typical, but her workplace has fierce fights among different cliques. Other OLs are absorbed in the daily clique fighting. One day, due to an OL at the company, Naoko Tanaka's company is targeted by OL from all over Japan.