Kazuhito is caught in a trap and captured. When he regains consciousness, he finds himself in his room at Sumitani Hall, wrapped in a mat and accompanied by Madoka... who appears to be acting strangely... Could Madoka be the killer behind the slasher incident?! Before long, Natsuno saves Kazuhito before he is forced to taste fear, but...
My blood relative born from 
the same parents, my sister!
Meine Blutsverwandte, von denselben
Eltern auf die Welt gebracht, wie ich,
¡Mi pariente de sangre nacida de los 
mismos padres que yo, mi hermana!
Parente nascido dos mesmos pais,
 minha irmã!