Yôichi Minamikawa

In a near future where allergies have become an epidemic, music producer Haru half-heartedly dates post office clerk and mail thief Michi. He searches for violent ways to reactivate his life, she dreams of escaping abroad; both volunteer to test a new drug which may provide a cure.

In observing a solitary classmate, a student begins to suspect that the loner has the ability to write words that will kill those who read them.

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.

A high school girl becomes involved in a murder mystery that revolves around a dating simulation game that has currently become popular on mobile phones. A woman who seemingly exists only as a character within the game is somehow killing all the male players one by one.