Tsuiraku Otome Genocide: Taishou Kuusou Majutsu Yawa

is a Japanese light novel series written by Saginomiya Misaki, with illustrations by NOCO. The series began publication on April 10, 2014 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
[Extra] Interact with a "Crash Maiden" live doll. ──Midnight last night. It appears again in "Katsuki Doll" Ueno.

Even though he attacks the imperial people, a mysterious maiden who kills them appears. According to witnesses, it crashed from a high place and repelled it. The time is Taisho, the imperial capital, Tokyo. This time, what threatens the people of the Imperial City is the strangely shaped screw-wound "live doll" and the heretical girl, the Crash Maiden, who slaughtered it with magic.

Ranpo, a boy reporter who follows her, sees the truth behind it by a girl who keeps away from anyone, or is it the way to ruin ...?