A woman named Kazuko (Kimura) who was guilty of a “serious crime” in the past, along with three of her friends. Those friends suddenly begin to die one by one. Kazuko learns that one of those deaths is somehow connected to Mamoru (Nakamura Aoi), her younger brother from whom she has been separated ever since their father disappeared 15 years earlier. Although Mamoru knows nothing of his sister, Kazuko is determined to find the killer in order to protect Mamoru and herself.
| Actor | Role |
|---|---|
 Yoshino KimuraNot listed | Not listed |
 Aoi NakamuraNot listed | Not listed |
 Eiko KoikeNot listed | Not listed |
 Mitsuki TanimuraNot listed | Not listed |
 Hidekazu MashimaNot listed | Not listed |
 Reiko KusamuraNot listed | Not listed |
 Noriko EguchiNot listed | Not listed |
 Rokkaku SeijiNot listed | Not listed |
 Seiko TakumaNot listed | Not listed |
| MMai SatodaNot listed | Not listed |
 Miwako ShishidoNot listed | Not listed |
 Mio UemaNot listed | Not listed |
 Haruko KatōNot listed | Not listed |
 Ren OsugiNot listed | Not listed |
 Yutaka MatsushigeNot listed | Not listed |
 Mieko HaradaNot listed | Not listed |
 Eiji OkudaNot listed | Not listed |