Saki remembers the first time she met Kuro’s cousin, Sakuragawa Rikka. Saki had heard that Rikka had passed, and tries to get more information out of Kotoko. Meanwhile, the forums on the wiki site become rather active again, making Steel Lady Nanase’s presence even stronger...

Just as it looked like the site readers accepted Kotoko’s solution, it ends up getting shot down. However, Kotoko had another solution ready. In order to defeat Steel Lady Nanase, she unleashes a second and third solution, but Sakuragawa Rikka and Steel Lady Nanase continue to get in her way. Will they be able to vanquish the ghost?

Kotoko presents the case's resolution to an astonished Yuki-Onna and Masayuki, and makes an important decision about their future.

Tae is an active octogenarian who lives with an unusually talkative cat. Why do the fishermen in her seaside town find dead fish coming in with the tide every morning?

Rion talks to her father and, realizing something important about her grandmother, proposes an answer to the president's assignment to her relatives.

Kotoko offers her own explanation of Sumi's death, which awakens the memory of a crime that had slept for decades.

Two friends meet for dinner in a classy unagi restaurant, and get distracted by an apparently young girl who is confidently dining there alone. Somehow, this leads to talk of murder...