One day, a mysterious letter 'F' starts to be written on doorplates in a condominium building. Since then, mysterious incidents consistently occur around Yukari Yamamoto, who is an ordinary female high school student living in the building.
| Genre | : Kengerian |
| Sutradara | : 福田陽平 |
| Pemeran | : 伊藤万理華, Seiko Ozone, 遠藤耕介, Akari Yamada, 鈴木光司, Yue |
| Rilis Resmi | : 01 January 2015 |