High school 2nd year, Amano Yukiteru, is a boy who has problem making friends. He thinks of himself as a bystander and will always write down everything he sees in a cell phone diary.

Tormented by solitude, Yukiteru began to imagine things like a friend called Deus Ex Machina who is apparently the Lord of Time & Space. Seeing Yukiteru's miserable state, Deus gives him a new ability. His diary will now record events that will happen in the near future. Yukiteru is then forced to participate in a game which the winner will become Deus's successor.

Sequel:

> Mirai Nikki Redial
( https://bato.to/comic/_/comics/mirai-nikki-redial-r8787 )

Side Story:

> Mirai Nikki Mosaic
( https://bato.to/comic/_/comics/mirai-nikki-mosaic-r556 )

Alternate Story:

> Mirai Nikki Paradox
( https://bato.to/comic/_/comics/mirai-nikki-paradox-r557 )