Two years ago, Shibuya was ravaged by a biological terrorist attack using the deadly Ua virus. Maria Osawa was saved when her father inoculated her against the virus, but is left with partial amnesia from the...

Tajima Sora was an idol at the peak of popularity when she died and now the people who had gone crazy over her are slowly returning to days where they have forgotten everything about her. Mizu'umi is a high...