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?
The killer who murdered 
Detective Terada has disappeared.
.اختفى القاتل الذي قتل المحقق تيرادا
Der Mörder von Herrn Terada
ist verschwunden.
El asesino de Terada desapareció.
El asesino de Terada desapareció.
L’assassin de l’inspecteur Terada
a disparu.
L'assassino di Terada si è volatilizzato.
O assassino que matou o
inspetor Terada desapareceu.
Убийца следователя Тэрады
 бесследно исчез.