Kotoko receives a request for help from a giant snake, who is the guardian spirit of Tsukuna Swamp. It appears that a murderer named Tanio Aoi disposed of a body in the snake’s swamp, but there’s something that’s just not sitting right with the snake. After learning about Kuro’s powers, Kotoko asks Kuro to accompany her on this journey, but Kuro declines for a certain reason...
Tanio Aoi tried to get rid of any 
trace of the true killer at her house.
.حاولت تانيو أوي التخلص من أي أثر للقاتل الحقيقي في منزلها
Tanio Aoi wollte jede Spur des wahren Mörders
in ihrem Haus verschwinden lassen.
Aoi Tanio intentó deshacerse de todo
rastro del verdadero asesino en su casa.
Aoi Tanio intentó deshacerse de todo
rastro del verdadero asesino en su casa.
Aoi Tanio a tenté d’effacer
les traces du véritable coupable.
Aoi Tanio ha cercato di cancellare le tracce
del passaggio del vero assassino.
Aoi Tanio tentou apagar os vestígios
do verdadeiro assassino em sua casa.