Ложные выводы. Том 6

Arc "The Sleeping Assassin". "Twenty-three years ago I killed my wife Sumi. Prove that this is true". Such a mysterious task was given to his children by the wealthy Mr. Otonashi Goiti to determine priorities in dividing the inheritance. And... since a fox spirit helped him kill his wife, the role of judge and consultant in this case falls to Ivanaga Kotoko.
Episode from the past: "The Foggy Message of the Dead". Sakuragawa Rikka continues her journey and along the way meets Kazama Renu, who was in the school Detective Lovers Club along with Ivanaga Kotoko. Renu tells about the case with the mysterious dying message that they once had to unravel.
Beginning of a new arc: "The Yuki-Onna's Dilemma"! Murai Masayuki is about to be arrested on false charges. He has an alibi, but only a yuki-onna can confirm it. You can't go to the police with a yokai, so how can he prove his innocence?