When a body is found on a pedestrian bridge, it’s anyone’s guess who the killer is. The physical evidence—including dozens of stab wounds—suggests the murder weapon is a rapier. Police Major Kyougoku is reminded of a deadly duelist with a penchant for puncturing. But with little else to go on, it’s hard to predict who the killer will target next. To make matters worse, Chiyo, Kuroko’s number one lover, finds herself at the heart of the case. She’ll have to be on her guard if she wants to make it out alive...

Mass murderers may not have much by way of careeer skills, but Kuroko Koumori seems to have landed her dream job as a hitwoman for the Tokyo police! A license to kill other killers? That's some serious job satisfaction, right there!

Pursuing a string of murders involving corpses drained of blood, Kuroko and her hulking buddy, Urara, descend into the sewers to rescue Narumi from an all-too-familiar face. Narumi herself is determined to escape with her fellow captives, but between her broken leg and the mazelike underground tunnels, their odds of escape are grim. It's a race against the clock as the killer prepares for their next meal...!

Kuroko has challenged the culprit behind the master swordsmen murders-which means her life is on a razor's edge! Uncharacteristically overwhelmed by her opponent, Kuroko must rely on deceit as she faces a blade wielded with superhuman senses. Reinforcements are on the way, but can she guarantee everyone's safety against the insatiable blood lust of a vengeful soul...?

When an inmate escapes from prison and declares war on the police, it's up to Kuroko to stop him. After several Diet members are slaughtered, Kuroko manages to find the killer's hideout, but the terror continues...

Now under Kuroko's care, Rinko has just transferred to Hinako's school, and things are already off to a bad start! A sudden explosion rocks the school, and Kuroko is called in to catch the one responsible for the attack. But before she can get started, the culprit turns herself in voluntarily! Is this girl really the bomber, or is there something even more sinister behind the scenes...?

A mysterious killer has left a trail of dead swordsmen in their wake, and the grisly corpses hint at a fiend possessed. A chance to confront the culprit presents itself, but Kuroko finds herself in unfamiliar territory-when, for the first time, an opponent completely outclasses her in combat! In order to win (or even survive) against this unparalleled swordsman, Kuroko's going to need an ace up her sleeve, and her answer is...movie magic?!