By order of Asagi-sama's superiors, two ninja witches, Mizuki Yukikaze and Akiyama Rinko, were tasked with exposing a group of "dark pimps." However, Mizuki has fallen into a trap and now she has to meet with the head of a criminal organization.

Amidahara city, which is known for its not very pious reputation, where it is better not to go out into the streets without weapons, is home to many dark personalities, both among humans and demons.