Everything is finally in place, and the committee to conquer Steel Lady Nanase is now in session. Does Steel Lady Nanase actually exist? Perhaps she’s just a made up urban legend. A battle between the truth and lies begins to figure out her existence. Kotoko gets on her PC and starts posting her own deductions...
That's exactly why the killer 
needed Steel Lady Nanase.
.لهذا السبب احتاج القاتل سيدة الفولاذ ناناسي
Dafür brauchte der Mörder
die stählerne Dame Nanase.
Por eso el asesino debía ser
la Dama de Acero.
Por eso la asesina debía ser
la Dama de Acero Nanase.
C’est pour ça
Era esattamente
É exatamente por isso que o culpado
precisava da Mulher de Aço Nanase.
Именно поэтому
ему и была нужна Стальная дева Нанасэ.