In 2010, the virus S-94 wiped out almost all of humanity. Only two women survive the pandemic and now lives isolated together. One of them desperately want to survive while the other is suicidal. The balance they have managed to maintain destroyed when a third survivor appears (whose existence they discovered through a radio broadcast) and will soon begin fighting over him, despite an otherwise hopeless future.

Reiko is a sister who is studying with his successful lawyer brother Sato as a role model. She joins Saburo who is a motivator of the same subject, and she introduces Saburo’s sister, Maya, to her brother to turn her brother’s heart, who does not recognize her boyfriend. Sato is taken away by beautiful Maya. Reiko, who is relieved to see the two of them and dreams of a happy future, suddenly appeared to her ex-girlfriend, Kanbe, and began to blame her for having lost her girlfriend to Sato.