Čicudžo o mamoru kanodžo (S01E12)

Yokai, ayakashi, spectres, demons, mononoke, and ghosts... Everything has order, and you must never go against the order. Kotoko's fourth solution is accepted by the users on the wiki site and Kuro is able to give the final blow to Steel Lady Nanase. Will that be enough to finish her off?! And what exactly was Rikka's motive? (Crunchyroll)