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.
Akira Kurosawa is a nerdy movie buff who works on low budget romantic comedies while dreaming of becoming a horror master. After being abused by his mentor, “the master” he finally decides he’s had enough and opens a door allowing an evil spirit to wreak revenge on those who have been cruel to him. But much like the movies he loves, once a spirit is unleashed – it can’t be controlled and starts to kill everyone!
Takeshi grew up spoiled in an affluent family. One day his businessman grandfather Saburo sends him to the grasslands of Mongolia where he is to search for a daughter born out of Saburo's relationship with a local woman after the Second World War.
