Amano Yukiteru [Mirai Nikki]

Amano Yukiteru is a lonely boy of 14 years old do not talk much with peers and spends all his time writing a diary on his cell phone from the point of view of a spectator, has friends (imaginary) Deus, which controls space and time, and Murumuru Deus's servant, he decided to create a game Deus gives Yukiteru and the ability to see future events that happen around him in his diary.
A Deus One day, it will not be just an imaginary friend but a God who not only Amano Yukiteru could see and hear, 11 others also, this god creates a survival game, where a newspaper has given to each of these people who predict the future.
Unlike most of the contestants, Yuki does not want to be god, he just wants to live in peace and do not want to kill anyone, but is forced to play to survive, and will kill only as a last resort, because Deus sees Yuki as their favorite to win.
He is weak, pathetic and whiny, to protect himself, quickly makes friends and allies to help each other, including Gasai Yuno, a girl in his class who is madly in love with him and another user of the newspaper. Yuki is a very nice person but it is naive to trust people quickly, whether friends or other users daily as they may have ulterior motives.
The relationship is more complex than has Yuno, while Yuno is a formidable ally, his crazy obsessive love for him to the point he is willing to kill or be used for survival. Afraid but despite the many things she does that scare you, including kidnapping him against his will and the knowledge that she killed her parents, Yuki Yuno still relies on to protect yourself.