In the peaceful Colorado town of Snowfield, something evil has wiped out the community. And now, it's up to a group of people to stop it, or at least get out of Snowfield alive.

High school student Yuki Hase wants to become close with classmate Kaori Fujimiya who is alway by herself. Kaori Fujimiya refuses to become close with Yuki Hase, because she forgets her friends every new Monday. Even though Kaori tells Yuki why she doesn't want to become friends, Yuki still wants to become close to her.

Friends grow apart after a tragic accident claims one of their number. Years later, the dead girl appears to them to ask for their help in crossing over to the afterlife.

In high school, Yamato, Eijiro, Ken, Riku, Yugo and Joji were all members of the track and field team. They were close friends who wore matching bracelets. After high school, though, they went their separate ways. That is until they are all invited to join the " Runaway" group - whose goal is to participate in "On the Run - Mission in Tokyo", where if they manage to outrun everyone, they win 100 million yen! The six men reunite, managing to reignite their friendship... However, this game is not at all like the TV show. Kronos, the managing company for this version has been taken over by a new game master with hunters that are going out of control! When contestants are captured, they are covered in a shadow and disappear. This game is no longer just for fun but a potential death game with 10 billion yen now on the line! Just who will survive and at what cost...?

The mayor is found dead in the river in a small town known for its hot springs. It's assumed that he fell to his death, but his nephew just cannot understand why his uncle would have gone there by himself to begin with. When he cleans up his house, he finds his uncle's diary and tries to find out what exactly happened.