Ep. 12: Kotoko's accepted solution allows Kuro to strike Steel Lady Nanase while Rikka's motive remains unclear
Aired on March 29, 2020

The narrative emphasizes that all supernatural entities, including yokai, ayakashi, spectres, demons, mononoke, and ghosts, must adhere to a strict order that cannot be defied. Within this framework, Kotoko presents a fourth solution which gains acceptance from the users on the wiki site. This approval enables Kuro to deliver the final blow to Steel Lady Nanase. The episode questions whether this attack is sufficient to defeat her completely. Additionally, the story explores the underlying reasons behind Rikka's actions, leaving her specific motive as a central point of inquiry for the audience.
Episodes
- Ep. 8 · Saki recalls meeting Rikka while forums react to Steel Lady Nanase
- Ep. 9 · The committee to conquer Steel Lady Nanase convenes to determine if she is real or an urban legend.
- Ep. 10 · Kotoko faces rejection for her initial plan while battling Nanase and Rikka to defeat the ghost.
- Ep. 11 · Kotoko proposes a fourth solution to defeat Steel Lady Nanase after previous plans failed.
- Ep. 12 · Kotoko's accepted solution allows Kuro to strike Steel Lady Nanase while Rikka's motive remains unclear