What is future diary?

Answer 1

The Future diary is an anime also known as Mirai Nikki that was published by Kadokawa Shoten, and written by Sakae Esuno. the anime is about the protagonist Yukiteru Amino for short (Yuki or First) who is kind of a loner, he spends most of his time writing in his diary on his cellphone about everything he sees. or he talks with his "imaginary friends" Dues Ex Machina the god of time and space! and Murmur Dues's servant. one day Dues gives Yuki a special diary on his phone that gives Yuki a sneak peek on the future. then Yuki gets put in a game were Yuki must kill all 11 other contestants(there are 12 in all) in a battle to take Dues's place being god of time and space. also Yuki has a stalker named Yuno Gasai she is 2nd in the competition, she is the owner of the Diary of future love. She absolutley adores Yuki and says she will do anything to help him win the competition.