Yûsuke Yamada

Female highs school students, including Mitsuko, Keiko and Izumi, become the targets of ghosts with various appearances including a groom with a pig's face and female teacher with a machine gun. (KG)

On the morning of a certain Tuesday, a mysterious "death race" is suddenly announced on television. Viewers are enthralled by the excitement of the competition, with participants, their loved ones held hostage, getting knocked out of the race one after another in unpredictable ways. Meanwhile, survivors refer to a guide book issued to each participant for tips on how to succeed. (imdb)

Eri is an inconspicuous female high school student who goes completely unnoticed by her classmates. In contrast, her childhood friend Mitsuko is the class leader and is constantly hit on by their creepy teacher, Chida. In order to protect her friend, Eri obtains a funerary rumored to hold ashes that cause certain death for anyone who gets them in their mouth. (imdb)

High school girl and four other people were forced to play a X-game to take responsibility for what they did in the past. (imdb)

A student in high school obtains a rare avatar on a social networking site and the boundary between her real and online identities becomes blurred.

Hideaki and his 6th grade classmates Takeshi, Chie and Tetsuya, wake up to find themselves in their old elementary school after the suicide of their teacher. They are forced to torture one another by playing X Game, which was created by Takeshi to bully a girl named Mariko. (imdb)

An odd death case that only targets persons whose last name is SATO is happening in Japan. Meanwhile, high school student SATO Tsubasa winds up in a parallel world during a fight with gangsters. Everything seems the same, but his friends, classmates are somehow different. Tsubasa cannot comprehend what is happening around him, but when he sees a girl getting killed in front of him by a persuer, he finds out that he is now in a world where the Lord of the land plays a fatal game of "tag". (AsianMediaWiki)

Eight school friends innocently join together to play a game that, if played well, promised to make their greatest dreams come true. But, they soon discover that mistakes may cost them more than even their dreams could tell. (imdb)