Arata Kaizaki is 27-years-old and unemployed. He quit his prior job after working for the company for 3 months. Arata Kaizaki decides to take part in a research program. He takes medication that makes him look younger and he is to attend high school for a year. There, he falls in love with female high school student Chizuru Hishiro.

After one of their friends commits suicide, strange things begin happening to a group of young Tokyo residents. One of them sees visions of his dead friend in the shadows on the wall, while another’s computer keeps showing strange, ghostly images. Is their friend trying to contact them from beyond the grave, or is there something much more sinister going on?

Hibino Tsubaki (Takei Emi) is a young teenage girl with a talent for styling other people’s hair. Yet, Tsubaki suffers from low self-esteem and isn’t very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She’s teased at high school because of this. One day, popular male student Tsubaki Kyota (Matsuzaka Tori) targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues…

In this J-horror flick based on a popular videogame series, honor students on a senior cruise get trapped in an alternate reality game brought on board by their vindictive classmate.