Kotoko came up with three solutions, but they all got shot down. Kuro keeps trying to grasp the future where they can defeat Steel Lady Nanase, but Rikka made it disappear once again. But Kotoko wasn’t done yet. Steel Lady Nanase is not a ghost. What is Kotoko’s 4th solution that may finally put an end to Steel Lady Nanase’s existence once and for all?
Nanase Karin started to appear 
in Makurazaka City every night
بدأت ناناسي كارين تظهر في مدينة ماكورازاكا كلّ يوم
Nanase Karin tauchte jede Nacht als
stählerne Dame Nanase in Makurazaka auf.
Karin Nanase empezó a aparecer
cada noche en Makurazaka
Karin Nanase aparecía
cada noche en Makurazaka
Elle est apparue nuit après nuit
dans Makurazaka,
Karin Nanase è apparsa a Makurazaka notte dopo notte,
Karin Nanase começou a aparecer no
município de Makurazaka todas as noites
Поэтому Карин Нанасэ стала каждую ночь
отыгрывать Стальную деву в Макурадзаке.