After seeing her in a dream, Kazuhito recalls his younger sister Harumi Madoka. His nostalgia is cut short when Akiyama Shinobu's editor Hiiragi Suzuna appears, a massive masochist with huge breasts prone to fantasizing. What's worse, Natsuno is in a slump?! As they discuss how to get over her slump, the subject of a mysterious slasher case arises.
However, lurking in the shadows of the incident are glimpses of Akiyama Shinobu's book and Madoka...
This seems to be the 
fourth slasher incident.
Sieht so aus, als hätten wir
den vierten Fall des Messerstechers.
Parece que es el cuarto incidente.
Este parece ser o quarto
 incidente do esfaqueador.