For the right price, these professional troubleshooters can solve any problem, whether they're taking out the scum of the earth or destroying human-eating monsters!

The troubleshooters of Gokurakugai are open for business! In a run-down town without law and order, Alma and Tao accept work from clientele of all creeds and cultures, and they're always ready to dole out justice against human-devouring monsters that lurk in the shadows. They'll take on any case--as long as the price is right!

A mysterious man named Yoru approaches Tao as she investigages a shrine where a series of murders transpired. His appearance leaves Tao stunned--he's the spitting image of Jin, her little brother who went missing nine years ago. What secrets lie in Tao's past? And how will she deal with the monster standing before her now?