This is a Keru x Zen story. Again a Keru x Zen story! A murder was reported years ago and only the daughter Azita Keru was left behind with nobody to care for her. Years later she returns to the town, to join the special 1-Y class. A class of Yandereloids. She then met Kowaretane Zen and Zin. And as they get to know her. The story of that night finally unfolds.