14 books • 3 series
Book #2: The Bride of Demise, Vol. 2
Book #8: Torture Princess: Fremd Torturchen, Vol. 8 (light novel)
Book #9: Torture Princess: Fremd Torturchen, Vol. 9 (light novel)
Book #7: Torture Princess: Fremd Torturchen, Vol. 7 (light novel)