Yôichi Minamikawa

Keitai Kanojo se basa en la novela popular teléfono móvil del mismo nombre, esta es la secuela de Keitai Kareshi. En Keitai Kanojo una serie de asesinatos ocurren donde matan a chicas pero también mueren los criminales, lo que hace difícil a la policía para resolver esos casos, sin embargo; lo único que saben de ellos es que tiene que ver con un juego sobre una novia virtual llamada Erika.

After a childhood friend's suicide, Hideaki and his former classmates reunite to pay their respects. Soon after, a DVD, marked X arrives revealing a man being tortured, triggering a flashback in Hideaki, reminding him of witnessing a schoolmate being subjected to humiliating batsu (punishment) games. One evening, Hideaki is kidnapped and when he awakens the next day, he discovers he is in a recreation of his old school-room, along with his fellow classmates. Trapped and held captive by mysterious hooded figures, each of them must now play a brutally violent, version of the punishment game, in order to survive.

A group of seven random players are chosen to participate in the next 'Twilight Syndrome' game created by Makino Shuzo. This time, it is at an amusement park, known as the Twilight Zone.