Mysterious Chills The case of the grisly giraffe is finally closed. Rikka emerges victorious, but will Kotoko's defeat truly change where Kurô's heart lies? Meanwhile, a high school friend seeks Kotoko's expertise to resolve a centuries-old family enigma involving their sword-fighting legacy-and an eerie snow woman. Can Kotoko cut through history-and ghosts of the past-to solve a mystery of generations?