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...
It's my spring apparel! 
My "I've been invited" dress!
!إنه زيّ الربيع خاصتي! الفستان الذي أرتديه عند دعوتي
Das ist mein Frühjahrs-Outfit.
Passend zu einer Einladung.
Es mi vestido de primavera
que dice "me invitaron".
Es mi vestido de primavera
ideal para invitaciones.
C’est une robe de printemps
pour les réceptions.
È un abito primaverile, 
un vestitino perfetto per un invito!
É minha roupa de primavera!
Meu vestido de "fui convidada".
Весенний наряд!
Платье для походов в гости.