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.

Credits

Yôhei FukudaDirector

Marika ItoYukari Yamamoto

Seiko OzoneYuko Yamamoto

Kosuke Endo

Akari Yamada