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?
Does a ghost named Steel Lady 
Nanase exist or doesn't she?
هل هناك وجود لشبح اسمه سيدة الفولاذ ناناسي أم لا؟
Existiert nun ein Geist namens
stählerne Dame Nanase oder nicht?
¿El fantasma de la Dama de Acero
existe o no?
¿El fantasma de la Dama de Acero
existe o no?
Le fantôme de la fille d’acier
existe-t-il ou pas ?
Il fantasma di Nanase d'Acciaio esiste?
O fantasma chamado Mulher
de Aço Nanase existe ou não?
Существует ли призрак,
который называют Стальной девой или нет?