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...
First, to let the swamp water 
wash off any traces of
أوّلًا، لتدع مياه المستنقع تمحو أيّ أثر
Erstens: Damit das
Sumpfwasser die Spuren
Primero, el agua del pantano
lavaría cualquier rastro
Primero, el agua del pantano
lavaría cualquier rastro
La première,
sans doute pour que l’eau efface
Primo,
Primeiro, deixou a água
do pântano lavar o corpo
Во-первых, чтобы болотной водой смыть
с тела возможные следы реального убийцы.